Q: What is the sum of all factors of the number 531,254,620 excluding 531,254,620?

A: 672,343,748

Why is 672,343,748 the sum of all factors of 531,254,620, excluding 531,254,620?

The factors of the number 531,254,620 are: 1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 691, 1382, 2764, 2957, 3455, 5914, 6910, 8983, 11828, 13820, 14785, 17966, 29570, 35932, 38441, 44915, 59140, 76882, 89830, 153764, 179660, 192205, 384410, 768820, 2043287, 4086574, 8173148, 10216435, 20432870, 26562731, 40865740, 53125462, 106250924, 132813655, 265627310, 531254620.

If you add them up, you will get the total of 531,255,292. Now subtract 531,254,620 to get 672,343,748