Q: What is the sum of all factors of the number 213,016,760 excluding 213,016,760?

A: 309,843,640

Why is 309,843,640 the sum of all factors of 213,016,760, excluding 213,016,760?

The factors of the number 213,016,760 are: 1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 484129, 968258, 1936516, 2420645, 3873032, 4841290, 5325419, 9682580, 10650838, 19365160, 21301676, 26627095, 42603352, 53254190, 106508380, 213016760.

If you add them up, you will get the total of 213,017,069. Now subtract 213,016,760 to get 309,843,640