289458620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{119611}}^1$

素因数の和:119642

約数の個数: 36

約数和(自身を含む): 668152632

約数和(自身を除く): 378694012

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 119611, 239222, 478444, 598055, 1196110, 1315721, 2392220, 2631442, 5262884, 6578605, 13157210, 14472931, 26314420, 28945862, 57891724, 72364655, 144729310, 289458620]

約数ペア:

[(1, 289458620), (2, 144729310), (4, 72364655), (5, 57891724), (10, 28945862), (11, 26314420), (20, 14472931), (22, 13157210), (44, 6578605), (55, 5262884), (110, 2631442), (121, 2392220), (220, 1315721), (242, 1196110), (484, 598055), (605, 478444), (1210, 239222), (2420, 119611)]