222124780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{79901}}^1$

素因数の和:80049

約数の個数: 24

約数和(自身を含む): 469823760

約数和(自身を除く): 247698980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 79901, 159802, 319604, 399505, 799010, 1598020, 11106239, 22212478, 44424956, 55531195, 111062390, 222124780]

約数ペア:

[(1, 222124780), (2, 111062390), (4, 55531195), (5, 44424956), (10, 22212478), (20, 11106239), (139, 1598020), (278, 799010), (556, 399505), (695, 319604), (1390, 159802), (2780, 79901)]