They were all quite buff and fit. Carry the bags up to the roof, repeat
Or at least that was the plan before the nuke timeline got forwarded by 24 hours.
And I looked it up. $200 million in $100 bills would weigh 4,404 lbs. Not ridiculous to move a million at a time (22.02 lbs), but yeah it's still going to exceed the carrying capacity of that chopper.