Q: What is the sum of all factors of the number 310,450,520 excluding 310,450,520?

A: 390,609,880

Why is 390,609,880 the sum of all factors of 310,450,520, excluding 310,450,520?

The factors of the number 310,450,520 are: 1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 11080, 28019, 56038, 112076, 140095, 224152, 280190, 560380, 1120760, 7761263, 15522526, 31045052, 38806315, 62090104, 77612630, 155225260, 310450520.

If you add them up, you will get the total of 310,450,910. Now subtract 310,450,520 to get 390,609,880