Q: What is the sum of all factors of the number 100,665,120 excluding 100,665,120?

A: 216,431,520

Why is 216,431,520 the sum of all factors of 100,665,120, excluding 100,665,120?

The factors of the number 100,665,120 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 209719, 419438, 629157, 838876, 1048595, 1258314, 1677752, 2097190, 2516628, 3145785, 3355504, 4194380, 5033256, 6291570, 6711008, 8388760, 10066512, 12583140, 16777520, 20133024, 25166280, 33555040, 50332560, 100665120.

If you add them up, you will get the total of 100,665,336. Now subtract 100,665,120 to get 216,431,520