Q: What is the sum of all factors of the number 724,673,720 excluding 724,673,720?

A: 917,585,080

Why is 917,585,080 the sum of all factors of 724,673,720, excluding 724,673,720?

The factors of the number 724,673,720 are: 1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 130337, 260674, 521348, 651685, 1042696, 1303370, 2606740, 5213480, 18116843, 36233686, 72467372, 90584215, 144934744, 181168430, 362336860, 724673720.

If you add them up, you will get the total of 724,674,637. Now subtract 724,673,720 to get 917,585,080