Q: What is the sum of all factors of the number 123,020,120 excluding 123,020,120?

A: 154,900,600

Why is 154,900,600 the sum of all factors of 123,020,120, excluding 123,020,120?

The factors of the number 123,020,120 are: 1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 10040, 12253, 24506, 49012, 61265, 98024, 122530, 245060, 490120, 3075503, 6151006, 12302012, 15377515, 24604024, 30755030, 61510060, 123020120.

If you add them up, you will get the total of 123,020,274. Now subtract 123,020,120 to get 154,900,600