Q: What is the sum of all factors of the number 408,432 excluding 408,432?

A: 670,864

Why is 670,864 the sum of all factors of 408,432, excluding 408,432?

The factors of the number 408,432 are: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 67, 127, 134, 201, 254, 268, 381, 402, 508, 536, 762, 804, 1016, 1072, 1524, 1608, 2032, 3048, 3216, 6096, 8509, 17018, 25527, 34036, 51054, 68072, 102108, 136144, 204216, 408432.

If you add them up, you will get the total of 409,102. Now subtract 408,432 to get 670,864