279312770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{359}}^1\times {\mathrm{643}}^1$

素因数の和:1031

約数の個数: 48

約数和(自身を含む): 555024960

約数和(自身を除く): 275712190

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 359, 605, 643, 718, 1210, 1286, 1795, 3215, 3590, 3949, 6430, 7073, 7898, 14146, 19745, 35365, 39490, 43439, 70730, 77803, 86878, 155606, 217195, 230837, 389015, 434390, 461674, 778030, 1154185, 2308370, 2539207, 5078414, 12696035, 25392070, 27931277, 55862554, 139656385, 279312770]

約数ペア:

[(1, 279312770), (2, 139656385), (5, 55862554), (10, 27931277), (11, 25392070), (22, 12696035), (55, 5078414), (110, 2539207), (121, 2308370), (242, 1154185), (359, 778030), (605, 461674), (643, 434390), (718, 389015), (1210, 230837), (1286, 217195), (1795, 155606), (3215, 86878), (3590, 77803), (3949, 70730), (6430, 43439), (7073, 39490), (7898, 35365), (14146, 19745)]