378045140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{156217}}^1$

素因数の和:156248

約数の個数: 36

約数和(自身を含む): 872633748

約数和(自身を除く): 494588608

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 156217, 312434, 624868, 781085, 1562170, 1718387, 3124340, 3436774, 6873548, 8591935, 17183870, 18902257, 34367740, 37804514, 75609028, 94511285, 189022570, 378045140]

約数ペア:

[(1, 378045140), (2, 189022570), (4, 94511285), (5, 75609028), (10, 37804514), (11, 34367740), (20, 18902257), (22, 17183870), (44, 8591935), (55, 6873548), (110, 3436774), (121, 3124340), (220, 1718387), (242, 1562170), (484, 781085), (605, 624868), (1210, 312434), (2420, 156217)]