Q: What is the sum of all factors of the number 400,502,625 including 400,502,625?

A: 672,971,520

Why is 672,971,520 the sum of all factors of 400,502,625, including 400,502,625?

The factors of the number 400,502,625 are: 1, 3, 5, 15, 25, 75, 103, 125, 309, 375, 515, 1545, 2575, 7725, 10369, 12875, 31107, 38625, 51845, 155535, 259225, 777675, 1068007, 1296125, 3204021, 3888375, 5340035, 16020105, 26700175, 80100525, 133500875, 400502625.

If you add them up, you will get the total of 672,971,520.