Q: What is the sum of all factors of the number 173,207,420 excluding 173,207,420?

Why is 209,672,980 the sum of all factors of 173,207,420, excluding 173,207,420?

The factors of the number 173,207,420 are: 1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 455809, 911618, 1823236, 2279045, 4558090, 8660371, 9116180, 17320742, 34641484, 43301855, 86603710, 173207420.

If you add them up, you will get the total of 173,207,629. Now subtract 173,207,420 to get 209,672,980

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