290411968

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1901}}^1$

素因数の和:1962

約数の個数: 112

約数和(自身を含む): 742053888

約数和(自身を除く): 451641920

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 56, 62, 64, 77, 88, 112, 124, 154, 176, 217, 224, 248, 308, 341, 352, 434, 448, 496, 616, 682, 704, 868, 992, 1232, 1364, 1736, 1901, 1984, 2387, 2464, 2728, 3472, 3802, 4774, 4928, 5456, 6944, 7604, 9548, 10912, 13307, 13888, 15208, 19096, 20911, 21824, 26614, 30416, 38192, 41822, 53228, 58931, 60832, 76384, 83644, 106456, 117862, 121664, 146377, 152768, 167288, 212912, 235724, 292754, 334576, 412517, 425824, 471448, 585508, 648241, 669152, 825034, 851648, 942896, 1171016, 1296482, 1338304, 1650068, 1885792, 2342032, 2592964, 3300136, 3771584, 4537687, 4684064, 5185928, 6600272, 9075374, 9368128, 10371856, 13200544, 18150748, 20743712, 26401088, 36301496, 41487424, 72602992, 145205984, 290411968]

約数ペア:

[(1, 290411968), (2, 145205984), (4, 72602992), (7, 41487424), (8, 36301496), (11, 26401088), (14, 20743712), (16, 18150748), (22, 13200544), (28, 10371856), (31, 9368128), (32, 9075374), (44, 6600272), (56, 5185928), (62, 4684064), (64, 4537687), (77, 3771584), (88, 3300136), (112, 2592964), (124, 2342032), (154, 1885792), (176, 1650068), (217, 1338304), (224, 1296482), (248, 1171016), (308, 942896), (341, 851648), (352, 825034), (434, 669152), (448, 648241), (496, 585508), (616, 471448), (682, 425824), (704, 412517), (868, 334576), (992, 292754), (1232, 235724), (1364, 212912), (1736, 167288), (1901, 152768), (1984, 146377), (2387, 121664), (2464, 117862), (2728, 106456), (3472, 83644), (3802, 76384), (4774, 60832), (4928, 58931), (5456, 53228), (6944, 41822), (7604, 38192), (9548, 30416), (10912, 26614), (13307, 21824), (13888, 20911), (15208, 19096)]