Q: What is the sum of all factors of the number 315,172 excluding 315,172?

A: 390,428

Why is 390,428 the sum of all factors of 315,172, excluding 315,172?

The factors of the number 315,172 are: 1, 2, 4, 11, 13, 19, 22, 26, 29, 38, 44, 52, 58, 76, 116, 143, 209, 247, 286, 319, 377, 418, 494, 551, 572, 638, 754, 836, 988, 1102, 1276, 1508, 2204, 2717, 4147, 5434, 6061, 7163, 8294, 10868, 12122, 14326, 16588, 24244, 28652, 78793, 157586, 315172.

If you add them up, you will get the total of 315,562. Now subtract 315,172 to get 390,428