89946250720

素因数分解:

$2^5\times 5^1\times {\mathrm{487}}^1\times {\mathrm{491}}^1\times {\mathrm{2351}}^1$

素因数の和:3344

約数の個数: 96

約数和(自身を含む): 213458789376

約数和(自身を除く): 123512538656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 487, 491, 974, 982, 1948, 1964, 2351, 2435, 2455, 3896, 3928, 4702, 4870, 4910, 7792, 7856, 9404, 9740, 9820, 11755, 15584, 15712, 18808, 19480, 19640, 23510, 37616, 38960, 39280, 47020, 75232, 77920, 78560, 94040, 188080, 239117, 376160, 478234, 956468, 1144937, 1154341, 1195585, 1912936, 2289874, 2308682, 2391170, 3825872, 4579748, 4617364, 4782340, 5724685, 5771705, 7651744, 9159496, 9234728, 9564680, 11449370, 11543410, 18318992, 18469456, 19129360, 22898740, 23086820, 36637984, 36938912, 38258720, 45797480, 46173640, 91594960, 92347280, 183189920, 184694560, 562164067, 1124328134, 2248656268, 2810820335, 4497312536, 5621640670, 8994625072, 11243281340, 17989250144, 22486562680, 44973125360, 89946250720]

約数ペア:

[(1, 89946250720), (2, 44973125360), (4, 22486562680), (5, 17989250144), (8, 11243281340), (10, 8994625072), (16, 5621640670), (20, 4497312536), (32, 2810820335), (40, 2248656268), (80, 1124328134), (160, 562164067), (487, 184694560), (491, 183189920), (974, 92347280), (982, 91594960), (1948, 46173640), (1964, 45797480), (2351, 38258720), (2435, 36938912), (2455, 36637984), (3896, 23086820), (3928, 22898740), (4702, 19129360), (4870, 18469456), (4910, 18318992), (7792, 11543410), (7856, 11449370), (9404, 9564680), (9740, 9234728), (9820, 9159496), (11755, 7651744), (15584, 5771705), (15712, 5724685), (18808, 4782340), (19480, 4617364), (19640, 4579748), (23510, 3825872), (37616, 2391170), (38960, 2308682), (39280, 2289874), (47020, 1912936), (75232, 1195585), (77920, 1154341), (78560, 1144937), (94040, 956468), (188080, 478234), (239117, 376160)]