Q: What is the sum of all factors of the number 255,711,480 excluding 255,711,480?

A: 511,423,320

Why is 511,423,320 the sum of all factors of 255,711,480, excluding 255,711,480?

The factors of the number 255,711,480 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2130929, 4261858, 6392787, 8523716, 10654645, 12785574, 17047432, 21309290, 25571148, 31963935, 42618580, 51142296, 63927870, 85237160, 127855740, 255711480.

If you add them up, you will get the total of 255,711,991. Now subtract 255,711,480 to get 511,423,320