Q: What is the sum of all factors of the number 145,780 excluding 145,780?

 A: 170,228

Why is 170,228 the sum of all factors of 145,780, excluding 145,780?

The factors of the number 145,780 are: 1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 197, 370, 394, 740, 788, 985, 1970, 3940, 7289, 14578, 29156, 36445, 72890, 145780.

If you add them up, you will get the total of 145,950. Now subtract 145,780 to get 170,228


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