Q: What is the sum of all factors of the number 153,940 excluding 153,940?

 A: 178,700

Why is 178,700 the sum of all factors of 153,940, excluding 153,940?

The factors of the number 153,940 are: 1, 2, 4, 5, 10, 20, 43, 86, 172, 179, 215, 358, 430, 716, 860, 895, 1790, 3580, 7697, 15394, 30788, 38485, 76970, 153940.

If you add them up, you will get the total of 154,118. Now subtract 153,940 to get 178,700


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