Q: What is the sum of all factors of the number 257,488 excluding 257,488?

A: 402,192

Why is 402,192 the sum of all factors of 257,488, excluding 257,488?

The factors of the number 257,488 are: 1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 56, 76, 77, 88, 112, 121, 133, 152, 154, 176, 209, 242, 266, 304, 308, 418, 484, 532, 616, 836, 847, 968, 1064, 1232, 1463, 1672, 1694, 1936, 2128, 2299, 2926, 3344, 3388, 4598, 5852, 6776, 9196, 11704, 13552, 16093, 18392, 23408, 32186, 36784, 64372, 128744, 257488.

If you add them up, you will get the total of 257,890. Now subtract 257,488 to get 402,192