Q: What is the sum of all factors of the number 405,450 excluding 405,450?

A: 769,698

Why is 769,698 the sum of all factors of 405,450, excluding 405,450?

The factors of the number 405,450 are: 1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 30, 34, 45, 50, 51, 53, 75, 85, 90, 102, 106, 150, 153, 159, 170, 225, 255, 265, 306, 318, 425, 450, 477, 510, 530, 765, 795, 850, 901, 954, 1275, 1325, 1530, 1590, 1802, 2385, 2550, 2650, 2703, 3825, 3975, 4505, 4770, 5406, 7650, 7950, 8109, 9010, 11925, 13515, 16218, 22525, 23850, 27030, 40545, 45050, 67575, 81090, 135150, 202725, 405450.

If you add them up, you will get the total of 406,219. Now subtract 405,450 to get 769,698