Q: What is the sum of all factors of the number 124,220,120 excluding 124,220,120?

A: 161,779,000

Why is 161,779,000 the sum of all factors of 124,220,120, excluding 124,220,120?

The factors of the number 124,220,120 are: 1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 72221, 144442, 288884, 361105, 577768, 722210, 1444420, 2888840, 3105503, 6211006, 12422012, 15527515, 24844024, 31055030, 62110060, 124220120.

If you add them up, you will get the total of 124,220,281. Now subtract 124,220,120 to get 161,779,000