Q: What is the sum of all factors of the number 129,921,645 excluding 129,921,645?

 A: 107,649,555

Why is 107,649,555 the sum of all factors of 129,921,645, excluding 129,921,645?

The factors of the number 129,921,645 are: 1, 3, 5, 7, 15, 21, 35, 105, 1237349, 3712047, 6186745, 8661443, 18560235, 25984329, 43307215, 129921645.

If you add them up, you will get the total of 129,921,752. Now subtract 129,921,645 to get 107,649,555


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