649242050

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{244997}}^1$

素因数の和:245062

約数の個数: 24

約数和(自身を含む): 1230379956

約数和(自身を除く): 581137906

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 1325, 2650, 244997, 489994, 1224985, 2449970, 6124925, 12249850, 12984841, 25969682, 64924205, 129848410, 324621025, 649242050]

約数ペア:

[(1, 649242050), (2, 324621025), (5, 129848410), (10, 64924205), (25, 25969682), (50, 12984841), (53, 12249850), (106, 6124925), (265, 2449970), (530, 1224985), (1325, 489994), (2650, 244997)]