Q: What is the sum of all factors of the number 402,430,256 excluding 402,430,256?

A: 424,548,064

Why is 424,548,064 the sum of all factors of 402,430,256, excluding 402,430,256?

The factors of the number 402,430,256 are: 1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 937, 1579, 1874, 3158, 3748, 6316, 7496, 12632, 14992, 15929, 25264, 26843, 31858, 53686, 63716, 107372, 127432, 214744, 254864, 429488, 1479523, 2959046, 5918092, 11836184, 23672368, 25151891, 50303782, 100607564, 201215128, 402430256.

If you add them up, you will get the total of 402,430,680. Now subtract 402,430,256 to get 424,548,064