Q: What is the sum of all factors of the number 505,221,220 excluding 505,221,220?

A: 760,036,508

Why is 760,036,508 the sum of all factors of 505,221,220, excluding 505,221,220?

The factors of the number 505,221,220 are: 1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 156901, 313802, 627604, 784505, 1098307, 1569010, 2196614, 3138020, 3608723, 4393228, 5491535, 7217446, 10983070, 14434892, 18043615, 21966140, 25261061, 36087230, 50522122, 72174460, 101044244, 126305305, 252610610, 505221220.

If you add them up, you will get the total of 505,221,980. Now subtract 505,221,220 to get 760,036,508