Q: What is the sum of all factors of the number 302,634 excluding 302,634?

A: 438,678

Why is 438,678 the sum of all factors of 302,634, excluding 302,634?

The factors of the number 302,634 are: 1, 2, 3, 6, 9, 17, 18, 23, 34, 43, 46, 51, 69, 86, 102, 129, 138, 153, 207, 258, 306, 387, 391, 414, 731, 774, 782, 989, 1173, 1462, 1978, 2193, 2346, 2967, 3519, 4386, 5934, 6579, 7038, 8901, 13158, 16813, 17802, 33626, 50439, 100878, 151317, 302634.

If you add them up, you will get the total of 303,072. Now subtract 302,634 to get 438,678