Q: What is the sum of all factors of the number 255,408 excluding 255,408?
A: 445,440
The factors of the number 255,408 are: 1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 313, 408, 626, 816, 939, 1252, 1878, 2504, 3756, 5008, 5321, 7512, 10642, 15024, 15963, 21284, 31926, 42568, 63852, 85136, 127704, 255408.
If you add them up, you will get the total of 255,853. Now subtract 255,408 to get 445,440