Q: What is the sum of all factors of the number 397,056 excluding 397,056?

A: 780,288

Why is 780,288 the sum of all factors of 397,056, excluding 397,056?

The factors of the number 397,056 are: 1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 47, 48, 64, 66, 88, 94, 96, 128, 132, 141, 176, 188, 192, 256, 264, 282, 352, 376, 384, 517, 528, 564, 704, 752, 768, 1034, 1056, 1128, 1408, 1504, 1551, 2068, 2112, 2256, 2816, 3008, 3102, 4136, 4224, 4512, 6016, 6204, 8272, 8448, 9024, 12032, 12408, 16544, 18048, 24816, 33088, 36096, 49632, 66176, 99264, 132352, 198528, 397056.

If you add them up, you will get the total of 397,836. Now subtract 397,056 to get 780,288