Q: What is the sum of all factors of the number 390,540 excluding 390,540?

A: 754,548

Why is 754,548 the sum of all factors of 390,540, excluding 390,540?

The factors of the number 390,540 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 283, 345, 460, 566, 690, 849, 1132, 1380, 1415, 1698, 2830, 3396, 4245, 5660, 6509, 8490, 13018, 16980, 19527, 26036, 32545, 39054, 65090, 78108, 97635, 130180, 195270, 390540.

If you add them up, you will get the total of 391,294. Now subtract 390,540 to get 754,548