Q: What is the sum of all factors of the number 842,670 excluding 842,670?

Why is 1,405,170 the sum of all factors of 842,670, excluding 842,670?

The factors of the number 842,670 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 3121, 6242, 9363, 15605, 18726, 28089, 31210, 46815, 56178, 84267, 93630, 140445, 168534, 280890, 421335, 842670.

If you add them up, you will get the total of 842,671. Now subtract 842,670 to get 1,405,170

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