Q: What is the sum of all factors of the number 424,200,020 excluding 424,200,020?

A: 477,556,780

Why is 477,556,780 the sum of all factors of 424,200,020, excluding 424,200,020?

The factors of the number 424,200,020 are: 1, 2, 4, 5, 10, 20, 149, 283, 298, 503, 566, 596, 745, 1006, 1132, 1415, 1490, 2012, 2515, 2830, 2980, 5030, 5660, 10060, 42167, 74947, 84334, 142349, 149894, 168668, 210835, 284698, 299788, 374735, 421670, 569396, 711745, 749470, 843340, 1423490, 1498940, 2846980, 21210001, 42420002, 84840004, 106050005, 212100010, 424200020.

If you add them up, you will get the total of 424,200,497. Now subtract 424,200,020 to get 477,556,780