123438980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{881707}}^1$

素因数の和:881723

約数の個数: 24

約数和(自身を含む): 296253888

約数和(自身を除く): 172814908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 881707, 1763414, 3526828, 4408535, 6171949, 8817070, 12343898, 17634140, 24687796, 30859745, 61719490, 123438980]

約数ペア:

[(1, 123438980), (2, 61719490), (4, 30859745), (5, 24687796), (7, 17634140), (10, 12343898), (14, 8817070), (20, 6171949), (28, 4408535), (35, 3526828), (70, 1763414), (140, 881707)]