Q: What is the sum of all factors of the number 400,020,306 excluding 400,020,306?

A: 516,935,982

Why is 516,935,982 the sum of all factors of 400,020,306, excluding 400,020,306?

The factors of the number 400,020,306 are: 1, 2, 3, 6, 7, 14, 21, 42, 353, 706, 1059, 2118, 2471, 4942, 7413, 14826, 26981, 53962, 80943, 161886, 188867, 377734, 566601, 1133202, 9524293, 19048586, 28572879, 57145758, 66670051, 133340102, 200010153, 400020306.

If you add them up, you will get the total of 400,020,822. Now subtract 400,020,306 to get 516,935,982