82521880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{593}}^1$

素因数の和:689

約数の個数: 96

約数和(自身を含む): 219399840

約数和(自身を除く): 136877960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 71, 98, 140, 142, 196, 245, 280, 284, 355, 392, 490, 497, 568, 593, 710, 980, 994, 1186, 1420, 1960, 1988, 2372, 2485, 2840, 2965, 3479, 3976, 4151, 4744, 4970, 5930, 6958, 8302, 9940, 11860, 13916, 16604, 17395, 19880, 20755, 23720, 27832, 29057, 33208, 34790, 41510, 42103, 58114, 69580, 83020, 84206, 116228, 139160, 145285, 166040, 168412, 210515, 232456, 290570, 294721, 336824, 421030, 581140, 589442, 842060, 1162280, 1178884, 1473605, 1684120, 2063047, 2357768, 2947210, 4126094, 5894420, 8252188, 10315235, 11788840, 16504376, 20630470, 41260940, 82521880]

約数ペア:

[(1, 82521880), (2, 41260940), (4, 20630470), (5, 16504376), (7, 11788840), (8, 10315235), (10, 8252188), (14, 5894420), (20, 4126094), (28, 2947210), (35, 2357768), (40, 2063047), (49, 1684120), (56, 1473605), (70, 1178884), (71, 1162280), (98, 842060), (140, 589442), (142, 581140), (196, 421030), (245, 336824), (280, 294721), (284, 290570), (355, 232456), (392, 210515), (490, 168412), (497, 166040), (568, 145285), (593, 139160), (710, 116228), (980, 84206), (994, 83020), (1186, 69580), (1420, 58114), (1960, 42103), (1988, 41510), (2372, 34790), (2485, 33208), (2840, 29057), (2965, 27832), (3479, 23720), (3976, 20755), (4151, 19880), (4744, 17395), (4970, 16604), (5930, 13916), (6958, 11860), (8302, 9940)]