Q: What is the sum of all factors of the number 221,320,120 excluding 221,320,120?

A: 347,789,480

Why is 347,789,480 the sum of all factors of 221,320,120, excluding 221,320,120?

The factors of the number 221,320,120 are: 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 790429, 1580858, 3161716, 3952145, 5533003, 6323432, 7904290, 11066006, 15808580, 22132012, 27665015, 31617160, 44264024, 55330030, 110660060, 221320120.

If you add them up, you will get the total of 221,320,467. Now subtract 221,320,120 to get 347,789,480