127220690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{44021}}^1$

素因数の和:44062

約数の個数: 24

約数和(自身を含む): 243265572

約数和(自身を除く): 116044882

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 44021, 88042, 220105, 440210, 748357, 1496714, 3741785, 7483570, 12722069, 25444138, 63610345, 127220690]

約数ペア:

[(1, 127220690), (2, 63610345), (5, 25444138), (10, 12722069), (17, 7483570), (34, 3741785), (85, 1496714), (170, 748357), (289, 440210), (578, 220105), (1445, 88042), (2890, 44021)]