Q: What is the sum of all factors of the number 90,870 excluding 90,870?

 A: 145,002

Why is 145,002 the sum of all factors of 90,870, excluding 90,870?

The factors of the number 90,870 are: 1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 233, 390, 466, 699, 1165, 1398, 2330, 3029, 3495, 6058, 6990, 9087, 15145, 18174, 30290, 45435, 90870.

If you add them up, you will get the total of 91,015. Now subtract 90,870 to get 145,002


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