90251480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{643}}^1$

素因数の和:705

約数の個数: 96

約数和(自身を含む): 231260400

約数和(自身を除く): 141008920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 121, 145, 220, 232, 242, 290, 319, 440, 484, 580, 605, 638, 643, 968, 1160, 1210, 1276, 1286, 1595, 2420, 2552, 2572, 3190, 3215, 3509, 4840, 5144, 6380, 6430, 7018, 7073, 12760, 12860, 14036, 14146, 17545, 18647, 25720, 28072, 28292, 35090, 35365, 37294, 56584, 70180, 70730, 74588, 77803, 93235, 140360, 141460, 149176, 155606, 186470, 205117, 282920, 311212, 372940, 389015, 410234, 622424, 745880, 778030, 820468, 1025585, 1556060, 1640936, 2051170, 2256287, 3112120, 4102340, 4512574, 8204680, 9025148, 11281435, 18050296, 22562870, 45125740, 90251480]

約数ペア:

[(1, 90251480), (2, 45125740), (4, 22562870), (5, 18050296), (8, 11281435), (10, 9025148), (11, 8204680), (20, 4512574), (22, 4102340), (29, 3112120), (40, 2256287), (44, 2051170), (55, 1640936), (58, 1556060), (88, 1025585), (110, 820468), (116, 778030), (121, 745880), (145, 622424), (220, 410234), (232, 389015), (242, 372940), (290, 311212), (319, 282920), (440, 205117), (484, 186470), (580, 155606), (605, 149176), (638, 141460), (643, 140360), (968, 93235), (1160, 77803), (1210, 74588), (1276, 70730), (1286, 70180), (1595, 56584), (2420, 37294), (2552, 35365), (2572, 35090), (3190, 28292), (3215, 28072), (3509, 25720), (4840, 18647), (5144, 17545), (6380, 14146), (6430, 14036), (7018, 12860), (7073, 12760)]