Q: What is the sum of all factors of the number 256,920 excluding 256,920?

 A: 514,200

Why is 514,200 the sum of all factors of 256,920, excluding 256,920?

The factors of the number 256,920 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2141, 4282, 6423, 8564, 10705, 12846, 17128, 21410, 25692, 32115, 42820, 51384, 64230, 85640, 128460, 256920.

If you add them up, you will get the total of 257,434. Now subtract 256,920 to get 514,200


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