Q: What is the sum of all factors of the number 120,200,420 including 120,200,420?

A: 261,488,640

Why is 261,488,640 the sum of all factors of 120,200,420, including 120,200,420?

The factors of the number 120,200,420 are: 1, 2, 4, 5, 10, 20, 37, 74, 127, 148, 185, 254, 370, 508, 635, 740, 1270, 1279, 2540, 2558, 4699, 5116, 6395, 9398, 12790, 18796, 23495, 25580, 46990, 47323, 93980, 94646, 162433, 189292, 236615, 324866, 473230, 649732, 812165, 946460, 1624330, 3248660, 6010021, 12020042, 24040084, 30050105, 60100210, 120200420.

If you add them up, you will get the total of 261,488,640.