Q: What is the sum of all factors of the number 438,140 excluding 438,140?

 A: 531,220

Why is 531,220 the sum of all factors of 438,140, excluding 438,140?

The factors of the number 438,140 are: 1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1153, 2306, 4612, 5765, 11530, 21907, 23060, 43814, 87628, 109535, 219070, 438140.

If you add them up, you will get the total of 438,671. Now subtract 438,140 to get 531,220


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