1788680

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{461}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 4074840

約数和(自身を除く): 2286160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 461, 485, 776, 922, 970, 1844, 1940, 2305, 3688, 3880, 4610, 9220, 18440, 44717, 89434, 178868, 223585, 357736, 447170, 894340, 1788680]

約数ペア:

[(1, 1788680), (2, 894340), (4, 447170), (5, 357736), (8, 223585), (10, 178868), (20, 89434), (40, 44717), (97, 18440), (194, 9220), (388, 4610), (461, 3880), (485, 3688), (776, 2305), (922, 1940), (970, 1844)]