Q: What is the sum of all factors of the number 538,780 excluding 538,780?

A: 751,460

Why is 751,460 the sum of all factors of 538,780, excluding 538,780?

The factors of the number 538,780 are: 1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 79, 110, 124, 155, 158, 220, 310, 316, 341, 395, 620, 682, 790, 869, 1364, 1580, 1705, 1738, 2449, 3410, 3476, 4345, 4898, 6820, 8690, 9796, 12245, 17380, 24490, 26939, 48980, 53878, 107756, 134695, 269390, 538780.

If you add them up, you will get the total of 539,531. Now subtract 538,780 to get 751,460