261056290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{2731}}^1$

素因数の和:2839

約数の個数: 48

約数和(自身を含む): 523232640

約数和(自身を除く): 262176350

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 121, 158, 242, 395, 605, 790, 869, 1210, 1738, 2731, 4345, 5462, 8690, 9559, 13655, 19118, 27310, 30041, 47795, 60082, 95590, 150205, 215749, 300410, 330451, 431498, 660902, 1078745, 1652255, 2157490, 2373239, 3304510, 4746478, 11866195, 23732390, 26105629, 52211258, 130528145, 261056290]

約数ペア:

[(1, 261056290), (2, 130528145), (5, 52211258), (10, 26105629), (11, 23732390), (22, 11866195), (55, 4746478), (79, 3304510), (110, 2373239), (121, 2157490), (158, 1652255), (242, 1078745), (395, 660902), (605, 431498), (790, 330451), (869, 300410), (1210, 215749), (1738, 150205), (2731, 95590), (4345, 60082), (5462, 47795), (8690, 30041), (9559, 27310), (13655, 19118)]