Q: What is the sum of all factors of the number 210,021,520 excluding 210,021,520?

A: 279,250,736

Why is 279,250,736 the sum of all factors of 210,021,520, excluding 210,021,520?

The factors of the number 210,021,520 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 563, 1126, 2252, 2815, 4504, 4663, 5630, 9008, 9326, 11260, 18652, 22520, 23315, 37304, 45040, 46630, 74608, 93260, 186520, 373040, 2625269, 5250538, 10501076, 13126345, 21002152, 26252690, 42004304, 52505380, 105010760, 210021520.

If you add them up, you will get the total of 210,021,799. Now subtract 210,021,520 to get 279,250,736