President TrumpDonald John TrumpMcCabe says he was fired because he 'opened a case against' Trump McCabe: Trump said 'I don't care, I believe Putin' when confronted with US intel on North Korea McCabe: Trump talked to me about his election victory during 'bizarre' job interview MORE on Friday mocked the 14-day jail sentence handed to former campaign adviser George PapadopoulosGeorge Demetrios PapadopoulosSchiff: Evidence of collusion between Trump campaign, Russia 'pretty compelling' Drama hits Senate Intel panel’s Russia inquiry Fox & Friends host says program will ‘absolutely’ accept Mueller report findings MORE

"14 days for $28 MILLION - $2 MILLION a day, No Collusion," Trump tweeted shortly after the sentence was announced. "A great day for America!"

It is unclear what Trump is referring to in regards to the $28 million figure. CNN noted that it appeared to be a reference to the cost of special counsel Robert MuellerRobert Swan MuellerSasse: US should applaud choice of Mueller to lead Russia probe MORE's probe into Russia's election interference. 

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However, the news network reported that Mueller's investigation has only spent about $7.7 million, citing government estimates. CNN reported the Justice Department has spent at least $17 million investigating Russian meddling into the 2016 elections.

"I don't know Papadopoulos. I don't know him," Trump said to reporters after the sentencing, according to CNN. "I saw him sitting in one picture at a table with me. That's the only thing I know about him. I don't know him. But they got him, I guess, on a couple of lies, I guess that's what they're saying."

Papadopoulos on Friday became the first Trump adviser to be sentenced to a jail sentence from Mueller's probe. His sentencing comes almost a year after he pleaded guilty to lying to the FBI about his contacts with Russian operatives before the 2016 election.