2039920900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{22691}}^1$

素因数の和:22765

約数の個数: 72

約数和(自身を含む): 4727197440

約数和(自身を除く): 2687276540

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 31, 50, 58, 62, 100, 116, 124, 145, 155, 290, 310, 580, 620, 725, 775, 899, 1450, 1550, 1798, 2900, 3100, 3596, 4495, 8990, 17980, 22475, 22691, 44950, 45382, 89900, 90764, 113455, 226910, 453820, 567275, 658039, 703421, 1134550, 1316078, 1406842, 2269100, 2632156, 2813684, 3290195, 3517105, 6580390, 7034210, 13160780, 14068420, 16450975, 17585525, 20399209, 32901950, 35171050, 40798418, 65803900, 70342100, 81596836, 101996045, 203992090, 407984180, 509980225, 1019960450, 2039920900]

約数ペア:

[(1, 2039920900), (2, 1019960450), (4, 509980225), (5, 407984180), (10, 203992090), (20, 101996045), (25, 81596836), (29, 70342100), (31, 65803900), (50, 40798418), (58, 35171050), (62, 32901950), (100, 20399209), (116, 17585525), (124, 16450975), (145, 14068420), (155, 13160780), (290, 7034210), (310, 6580390), (580, 3517105), (620, 3290195), (725, 2813684), (775, 2632156), (899, 2269100), (1450, 1406842), (1550, 1316078), (1798, 1134550), (2900, 703421), (3100, 658039), (3596, 567275), (4495, 453820), (8990, 226910), (17980, 113455), (22475, 90764), (22691, 89900), (44950, 45382)]