Q: What is the sum of all factors of the number 421,242,140 excluding 421,242,140?

A: 551,101,708

Why is 551,101,708 the sum of all factors of 421,242,140, excluding 421,242,140?

The factors of the number 421,242,140 are: 1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 174067, 348134, 696268, 870335, 1740670, 1914737, 3481340, 3829474, 7658948, 9573685, 19147370, 21062107, 38294740, 42124214, 84248428, 105310535, 210621070, 421242140.

If you add them up, you will get the total of 421,242,691. Now subtract 421,242,140 to get 551,101,708