Q: What is the sum of all factors of the number 361,207,240 excluding 361,207,240?

Why is 451,509,140 the sum of all factors of 361,207,240, excluding 361,207,240?

The factors of the number 361,207,240 are: 1, 2, 4, 5, 8, 10, 20, 40, 9030181, 18060362, 36120724, 45150905, 72241448, 90301810, 180603620, 361207240.

If you add them up, you will get the total of 361,207,691. Now subtract 361,207,240 to get 451,509,140

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