39864440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^2$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 116533080

約数和(自身を除く): 76668640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 43, 44, 49, 55, 56, 70, 77, 86, 88, 98, 110, 140, 154, 172, 196, 215, 220, 245, 280, 301, 308, 344, 385, 392, 430, 440, 473, 490, 539, 602, 616, 770, 860, 946, 980, 1078, 1204, 1505, 1540, 1720, 1849, 1892, 1960, 2107, 2156, 2365, 2408, 2695, 3010, 3080, 3311, 3698, 3784, 4214, 4312, 4730, 5390, 6020, 6622, 7396, 8428, 9245, 9460, 10535, 10780, 12040, 12943, 13244, 14792, 16555, 16856, 18490, 18920, 20339, 21070, 21560, 23177, 25886, 26488, 33110, 36980, 40678, 42140, 46354, 51772, 64715, 66220, 73960, 81356, 84280, 90601, 92708, 101695, 103544, 115885, 129430, 132440, 142373, 162712, 181202, 185416, 203390, 231770, 258860, 284746, 362404, 406780, 453005, 463540, 517720, 569492, 711865, 724808, 813560, 906010, 927080, 996611, 1138984, 1423730, 1812020, 1993222, 2847460, 3624040, 3986444, 4983055, 5694920, 7972888, 9966110, 19932220, 39864440]

約数ペア:

[(1, 39864440), (2, 19932220), (4, 9966110), (5, 7972888), (7, 5694920), (8, 4983055), (10, 3986444), (11, 3624040), (14, 2847460), (20, 1993222), (22, 1812020), (28, 1423730), (35, 1138984), (40, 996611), (43, 927080), (44, 906010), (49, 813560), (55, 724808), (56, 711865), (70, 569492), (77, 517720), (86, 463540), (88, 453005), (98, 406780), (110, 362404), (140, 284746), (154, 258860), (172, 231770), (196, 203390), (215, 185416), (220, 181202), (245, 162712), (280, 142373), (301, 132440), (308, 129430), (344, 115885), (385, 103544), (392, 101695), (430, 92708), (440, 90601), (473, 84280), (490, 81356), (539, 73960), (602, 66220), (616, 64715), (770, 51772), (860, 46354), (946, 42140), (980, 40678), (1078, 36980), (1204, 33110), (1505, 26488), (1540, 25886), (1720, 23177), (1849, 21560), (1892, 21070), (1960, 20339), (2107, 18920), (2156, 18490), (2365, 16856), (2408, 16555), (2695, 14792), (3010, 13244), (3080, 12943), (3311, 12040), (3698, 10780), (3784, 10535), (4214, 9460), (4312, 9245), (4730, 8428), (5390, 7396), (6020, 6622)]