Q: What is the sum of all factors of the number 143,540 excluding 143,540?

 A: 157,936

Why is 157,936 the sum of all factors of 143,540, excluding 143,540?

The factors of the number 143,540 are: 1, 2, 4, 5, 10, 20, 7177, 14354, 28708, 35885, 71770, 143540.

If you add them up, you will get the total of 143,697. Now subtract 143,540 to get 157,936


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