Q: What is the sum of all factors of the number 380,820 excluding 380,820?

A: 784,428

Why is 784,428 the sum of all factors of 380,820, excluding 380,820?

The factors of the number 380,820 are: 1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 577, 660, 1154, 1731, 2308, 2885, 3462, 5770, 6347, 6924, 8655, 11540, 12694, 17310, 19041, 25388, 31735, 34620, 38082, 63470, 76164, 95205, 126940, 190410, 380820.

If you add them up, you will get the total of 381,604. Now subtract 380,820 to get 784,428