Q: What is the sum of all factors of the number 280,350,035 including 280,350,035?

A: 408,744,960

Why is 408,744,960 the sum of all factors of 280,350,035, including 280,350,035?

The factors of the number 280,350,035 are: 1, 5, 7, 19, 35, 95, 103, 133, 515, 665, 721, 1957, 3605, 4093, 9785, 13699, 20465, 28651, 68495, 77767, 143255, 388835, 421579, 544369, 2107895, 2721845, 2951053, 8010001, 14755265, 40050005, 56070007, 280350035.

If you add them up, you will get the total of 408,744,960.