Q: What is the sum of all factors of the number 420,344,715 excluding 420,344,715?

A: 352,186,485

Why is 352,186,485 the sum of all factors of 420,344,715, excluding 420,344,715?

The factors of the number 420,344,715 are: 1, 3, 5, 7, 15, 21, 35, 105, 199, 597, 995, 1393, 2985, 4179, 6965, 20117, 20895, 60351, 100585, 140819, 301755, 422457, 704095, 2112285, 4003283, 12009849, 20016415, 28022981, 60049245, 84068943, 140114905, 420344715.

If you add them up, you will get the total of 420,345,067. Now subtract 420,344,715 to get 352,186,485