Q: What is the sum of all factors of the number 310,405,431 excluding 310,405,431?

A: 198,939,849

Why is 198,939,849 the sum of all factors of 310,405,431, excluding 310,405,431?

The factors of the number 310,405,431 are: 1, 3, 7, 17, 21, 51, 59, 119, 177, 357, 413, 1003, 1239, 3009, 7021, 14737, 21063, 44211, 103159, 250529, 309477, 751587, 869483, 1753703, 2608449, 5261109, 6086381, 14781211, 18259143, 44343633, 103468477, 310405431.

If you add them up, you will get the total of 310,405,629. Now subtract 310,405,431 to get 198,939,849