Q: What is the sum of all factors of the number 388,440 excluding 388,440?
A: 987,480
The factors of the number 388,440 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 83, 90, 104, 117, 120, 130, 156, 166, 180, 195, 234, 249, 260, 312, 332, 360, 390, 415, 468, 498, 520, 585, 664, 747, 780, 830, 936, 996, 1079, 1170, 1245, 1494, 1560, 1660, 1992, 2158, 2340, 2490, 2988, 3237, 3320, 3735, 4316, 4680, 4980, 5395, 5976, 6474, 7470, 8632, 9711, 9960, 10790, 12948, 14940, 16185, 19422, 21580, 25896, 29880, 32370, 38844, 43160, 48555, 64740, 77688, 97110, 129480, 194220, 388440.
If you add them up, you will get the total of 389,427. Now subtract 388,440 to get 987,480