Q: What is the sum of all factors of the number 257,312 excluding 257,312?

A: 341,440

Why is 341,440 the sum of all factors of 257,312, excluding 257,312?

The factors of the number 257,312 are: 1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 43, 44, 68, 86, 88, 136, 172, 176, 187, 272, 344, 352, 374, 473, 544, 688, 731, 748, 946, 1376, 1462, 1496, 1892, 2924, 2992, 3784, 5848, 5984, 7568, 8041, 11696, 15136, 16082, 23392, 32164, 64328, 128656, 257312.

If you add them up, you will get the total of 257,653. Now subtract 257,312 to get 341,440