Q: What is the sum of all factors of the number 212,220 excluding 212,220?

A: 458,604

Why is 458,604 the sum of all factors of 212,220, excluding 212,220?

The factors of the number 212,220 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 131, 135, 162, 180, 262, 270, 324, 393, 405, 524, 540, 655, 786, 810, 1179, 1310, 1572, 1620, 1965, 2358, 2620, 3537, 3930, 4716, 5895, 7074, 7860, 10611, 11790, 14148, 17685, 21222, 23580, 35370, 42444, 53055, 70740, 106110, 212220.

If you add them up, you will get the total of 212,678. Now subtract 212,220 to get 458,604