173941240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{395321}}^1$

素因数の和:395343

約数の個数: 32

約数和(自身を含む): 426947760

約数和(自身を除く): 253006520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 395321, 790642, 1581284, 1976605, 3162568, 3953210, 4348531, 7906420, 8697062, 15812840, 17394124, 21742655, 34788248, 43485310, 86970620, 173941240]

約数ペア:

[(1, 173941240), (2, 86970620), (4, 43485310), (5, 34788248), (8, 21742655), (10, 17394124), (11, 15812840), (20, 8697062), (22, 7906420), (40, 4348531), (44, 3953210), (55, 3162568), (88, 1976605), (110, 1581284), (220, 790642), (440, 395321)]