Q: What is the sum of all factors of the number 257,193,920 excluding 257,193,920?

Why is 355,249,864 the sum of all factors of 257,193,920, excluding 257,193,920?

The factors of the number 257,193,920 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 803731, 1607462, 3214924, 4018655, 6429848, 8037310, 12859696, 16074620, 25719392, 32149240, 51438784, 64298480, 128596960, 257193920.

If you add them up, you will get the total of 257,194,275. Now subtract 257,193,920 to get 355,249,864

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