156749378680

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{739}}^1\times {\mathrm{26647}}^1$

素因数の和:27596

約数の個数: 64

約数和(自身を含む): 354951360000

約数和(自身を除く): 198201981320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 739, 796, 995, 1478, 1592, 1990, 2956, 3695, 3980, 5912, 7390, 7960, 14780, 26647, 29560, 53294, 106588, 133235, 147061, 213176, 266470, 294122, 532940, 588244, 735305, 1065880, 1176488, 1470610, 2941220, 5302753, 5882440, 10605506, 19692133, 21211012, 26513765, 39384266, 42422024, 53027530, 78768532, 98460665, 106055060, 157537064, 196921330, 212110120, 393842660, 787685320, 3918734467, 7837468934, 15674937868, 19593672335, 31349875736, 39187344670, 78374689340, 156749378680]

約数ペア:

[(1, 156749378680), (2, 78374689340), (4, 39187344670), (5, 31349875736), (8, 19593672335), (10, 15674937868), (20, 7837468934), (40, 3918734467), (199, 787685320), (398, 393842660), (739, 212110120), (796, 196921330), (995, 157537064), (1478, 106055060), (1592, 98460665), (1990, 78768532), (2956, 53027530), (3695, 42422024), (3980, 39384266), (5912, 26513765), (7390, 21211012), (7960, 19692133), (14780, 10605506), (26647, 5882440), (29560, 5302753), (53294, 2941220), (106588, 1470610), (133235, 1176488), (147061, 1065880), (213176, 735305), (266470, 588244), (294122, 532940)]