Q: What is the sum of all factors of the number 407,100 excluding 407,100?

A: 842,820

Why is 842,820 the sum of all factors of 407,100, excluding 407,100?

The factors of the number 407,100 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 59, 60, 69, 75, 92, 100, 115, 118, 138, 150, 177, 230, 236, 276, 295, 300, 345, 354, 460, 575, 590, 690, 708, 885, 1150, 1180, 1357, 1380, 1475, 1725, 1770, 2300, 2714, 2950, 3450, 3540, 4071, 4425, 5428, 5900, 6785, 6900, 8142, 8850, 13570, 16284, 17700, 20355, 27140, 33925, 40710, 67850, 81420, 101775, 135700, 203550, 407100.

If you add them up, you will get the total of 407,942. Now subtract 407,100 to get 842,820