220492780

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{35449}}^1$

素因数の和:35769

約数の個数: 24

約数和(自身を含む): 464536800

約数和(自身を除く): 244044020

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 35449, 70898, 141796, 177245, 354490, 708980, 11024639, 22049278, 44098556, 55123195, 110246390, 220492780]

約数ペア:

[(1, 220492780), (2, 110246390), (4, 55123195), (5, 44098556), (10, 22049278), (20, 11024639), (311, 708980), (622, 354490), (1244, 177245), (1555, 141796), (3110, 70898), (6220, 35449)]