Q: What is the sum of all factors of the number 309,504 excluding 309,504?

A: 606,208

Why is 606,208 the sum of all factors of 309,504, excluding 309,504?

The factors of the number 309,504 are: 1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 128, 156, 186, 192, 208, 248, 256, 312, 372, 384, 403, 416, 496, 624, 744, 768, 806, 832, 992, 1209, 1248, 1488, 1612, 1664, 1984, 2418, 2496, 2976, 3224, 3328, 3968, 4836, 4992, 5952, 6448, 7936, 9672, 9984, 11904, 12896, 19344, 23808, 25792, 38688, 51584, 77376, 103168, 154752, 309504.

If you add them up, you will get the total of 310,110. Now subtract 309,504 to get 606,208