Q: What is the sum of all factors of the number 138,040 excluding 138,040?

A: 250,760

Why is 250,760 the sum of all factors of 138,040, excluding 138,040?

The factors of the number 138,040 are: 1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 29, 34, 35, 40, 56, 58, 68, 70, 85, 116, 119, 136, 140, 145, 170, 203, 232, 238, 280, 290, 340, 406, 476, 493, 580, 595, 680, 812, 952, 986, 1015, 1160, 1190, 1624, 1972, 2030, 2380, 2465, 3451, 3944, 4060, 4760, 4930, 6902, 8120, 9860, 13804, 17255, 19720, 27608, 34510, 69020, 138040.

If you add them up, you will get the total of 138,290. Now subtract 138,040 to get 250,760