First, the prize for winning the Cup was just shy of $515,000 per player with one exception.
Guard Ryan Rollins is currently with the Bucks on a 10 day contract, by rule he will only receive half of that prize (approx $257K) since he's not on a fully guaranteed contract. Even half the prize money still ends up representing close to 50% of his total salary for the season.
Dame was asked about the prize money afterwards and this was his answer (video should start around the 7:15 mark):