Q: What is the sum of all factors of the number 261,223,655 excluding 261,223,655?
A: 145,893,145
The factors of the number 261,223,655 are: 1, 5, 7, 11, 35, 49, 55, 61, 77, 227, 245, 305, 343, 385, 427, 539, 671, 1135, 1589, 1715, 2135, 2497, 2695, 2989, 3355, 3773, 4697, 7945, 11123, 12485, 13847, 14945, 17479, 18865, 20923, 23485, 32879, 55615, 69235, 77861, 87395, 96929, 104615, 122353, 152317, 164395, 230153, 389305, 484645, 611765, 678503, 761585, 856471, 1066219, 1150765, 3392515, 4282355, 4749521, 5331095, 7463533, 23747605, 37317665, 52244731, 261223655.
If you add them up, you will get the total of 261,223,800. Now subtract 261,223,655 to get 145,893,145