Q: What is the sum of all factors of the number 100,821,060 excluding 100,821,060?

A: 205,003,368

Why is 205,003,368 the sum of all factors of 100,821,060, excluding 100,821,060?

The factors of the number 100,821,060 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 560117, 1120234, 1680351, 2240468, 2800585, 3360702, 5041053, 5601170, 6721404, 8401755, 10082106, 11202340, 16803510, 20164212, 25205265, 33607020, 50410530, 100821060.

If you add them up, you will get the total of 100,821,265. Now subtract 100,821,060 to get 205,003,368