69721640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{461}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 166320000

約数和(自身を除く): 96598360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 199, 380, 398, 461, 760, 796, 922, 995, 1592, 1844, 1990, 2305, 3688, 3781, 3980, 4610, 7562, 7960, 8759, 9220, 15124, 17518, 18440, 18905, 30248, 35036, 37810, 43795, 70072, 75620, 87590, 91739, 151240, 175180, 183478, 350360, 366956, 458695, 733912, 917390, 1743041, 1834780, 3486082, 3669560, 6972164, 8715205, 13944328, 17430410, 34860820, 69721640]

約数ペア:

[(1, 69721640), (2, 34860820), (4, 17430410), (5, 13944328), (8, 8715205), (10, 6972164), (19, 3669560), (20, 3486082), (38, 1834780), (40, 1743041), (76, 917390), (95, 733912), (152, 458695), (190, 366956), (199, 350360), (380, 183478), (398, 175180), (461, 151240), (760, 91739), (796, 87590), (922, 75620), (995, 70072), (1592, 43795), (1844, 37810), (1990, 35036), (2305, 30248), (3688, 18905), (3781, 18440), (3980, 17518), (4610, 15124), (7562, 9220), (7960, 8759)]