Q: What is the sum of all factors of the number 313,617,740 including 313,617,740?

Why is 661,727,472 the sum of all factors of 313,617,740, including 313,617,740?

The factors of the number 313,617,740 are: 1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 74317, 148634, 297268, 371585, 743170, 1486340, 15680887, 31361774, 62723548, 78404435, 156808870, 313617740.

If you add them up, you will get the total of 661,727,472.

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