342777980

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{55109}}^1$

素因数の和:55429

約数の個数: 24

約数和(自身を含む): 722161440

約数和(自身を除く): 379383460

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 55109, 110218, 220436, 275545, 551090, 1102180, 17138899, 34277798, 68555596, 85694495, 171388990, 342777980]

約数ペア:

[(1, 342777980), (2, 171388990), (4, 85694495), (5, 68555596), (10, 34277798), (20, 17138899), (311, 1102180), (622, 551090), (1244, 275545), (1555, 220436), (3110, 110218), (6220, 55109)]