Q: What is the sum of all factors of the number 398,688 excluding 398,688?

 A: 648,120

Why is 648,120 the sum of all factors of 398,688, excluding 398,688?

The factors of the number 398,688 are: 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 4153, 8306, 12459, 16612, 24918, 33224, 49836, 66448, 99672, 132896, 199344, 398688.

If you add them up, you will get the total of 399,336. Now subtract 398,688 to get 648,120


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