Q: What is the sum of all factors of the number 393,450 excluding 393,450?

A: 621,366

Why is 621,366 the sum of all factors of 393,450, excluding 393,450?

The factors of the number 393,450 are: 1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 61, 75, 86, 122, 129, 150, 183, 215, 258, 305, 366, 430, 610, 645, 915, 1075, 1290, 1525, 1830, 2150, 2623, 3050, 3225, 4575, 5246, 6450, 7869, 9150, 13115, 15738, 26230, 39345, 65575, 78690, 131150, 196725, 393450.

If you add them up, you will get the total of 394,071. Now subtract 393,450 to get 621,366