74557780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{30809}}^1$

素因数の和:30840

約数の個数: 36

約数和(自身を含む): 172104660

約数和(自身を除く): 97546880

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 30809, 61618, 123236, 154045, 308090, 338899, 616180, 677798, 1355596, 1694495, 3388990, 3727889, 6777980, 7455778, 14911556, 18639445, 37278890, 74557780]

約数ペア:

[(1, 74557780), (2, 37278890), (4, 18639445), (5, 14911556), (10, 7455778), (11, 6777980), (20, 3727889), (22, 3388990), (44, 1694495), (55, 1355596), (110, 677798), (121, 616180), (220, 338899), (242, 308090), (484, 154045), (605, 123236), (1210, 61618), (2420, 30809)]