Q: What is the sum of all factors of the number 413,440 excluding 413,440?

A: 690,320

Why is 690,320 the sum of all factors of 413,440, excluding 413,440?

The factors of the number 413,440 are: 1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 128, 136, 152, 160, 170, 190, 256, 272, 304, 320, 323, 340, 380, 544, 608, 640, 646, 680, 760, 1088, 1216, 1280, 1292, 1360, 1520, 1615, 2176, 2432, 2584, 2720, 3040, 3230, 4352, 4864, 5168, 5440, 6080, 6460, 10336, 10880, 12160, 12920, 20672, 21760, 24320, 25840, 41344, 51680, 82688, 103360, 206720, 413440.

If you add them up, you will get the total of 414,130. Now subtract 413,440 to get 690,320