690297170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{18257}}^1$

素因数の和:18482

約数の個数: 32

約数和(自身を含む): 1314576000

約数和(自身を除く): 624278830

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 199, 398, 995, 1990, 3781, 7562, 18257, 18905, 36514, 37810, 91285, 182570, 346883, 693766, 1734415, 3468830, 3633143, 7266286, 18165715, 36331430, 69029717, 138059434, 345148585, 690297170]

約数ペア:

[(1, 690297170), (2, 345148585), (5, 138059434), (10, 69029717), (19, 36331430), (38, 18165715), (95, 7266286), (190, 3633143), (199, 3468830), (398, 1734415), (995, 693766), (1990, 346883), (3781, 182570), (7562, 91285), (18257, 37810), (18905, 36514)]