Q: What is the sum of all factors of the number 28,170 excluding 28,170?

 A: 45,306

Why is 45,306 the sum of all factors of 28,170, excluding 28,170?

The factors of the number 28,170 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 313, 626, 939, 1565, 1878, 2817, 3130, 4695, 5634, 9390, 14085, 28170.

If you add them up, you will get the total of 28,215. Now subtract 28,170 to get 45,306


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