Q: What is the sum of all factors of the number 438,128 excluding 438,128?
A: 421,192
The factors of the number 438,128 are: 1, 2, 4, 8, 16, 139, 197, 278, 394, 556, 788, 1112, 1576, 2224, 3152, 27383, 54766, 109532, 219064, 438128.
If you add them up, you will get the total of 438,549. Now subtract 438,128 to get 421,192