Q: What is the sum of all factors of the number 261,504 excluding 261,504?

A: 494,316

Why is 494,316 the sum of all factors of 261,504, excluding 261,504?

The factors of the number 261,504 are: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 227, 288, 384, 454, 576, 681, 908, 1152, 1362, 1816, 2043, 2724, 3632, 4086, 5448, 7264, 8172, 10896, 14528, 16344, 21792, 29056, 32688, 43584, 65376, 87168, 130752, 261504.

If you add them up, you will get the total of 261,998. Now subtract 261,504 to get 494,316