Q: What is the sum of all factors of the number 240,396 excluding 240,396?

A: 399,348

Why is 399,348 the sum of all factors of 240,396, excluding 240,396?

The factors of the number 240,396 are: 1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 67, 69, 78, 92, 134, 138, 156, 201, 268, 276, 299, 402, 598, 804, 871, 897, 1196, 1541, 1742, 1794, 2613, 3082, 3484, 3588, 4623, 5226, 6164, 9246, 10452, 18492, 20033, 40066, 60099, 80132, 120198, 240396.

If you add them up, you will get the total of 240,795. Now subtract 240,396 to get 399,348