Q: What is the sum of all factors of the number 300,420,420 excluding 300,420,420?

Why is 540,756,924 the sum of all factors of 300,420,420, excluding 300,420,420?

The factors of the number 300,420,420 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 5007007, 10014014, 15021021, 20028028, 25035035, 30042042, 50070070, 60084084, 75105105, 100140140, 150210210, 300420420.

If you add them up, you will get the total of 300,420,960. Now subtract 300,420,420 to get 540,756,924

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