200080180

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{67141}}^1$

素因数の和:67299

約数の個数: 24

約数和(自身を含む): 422994600

約数和(自身を除く): 222914420

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 67141, 134282, 268564, 335705, 671410, 1342820, 10004009, 20008018, 40016036, 50020045, 100040090, 200080180]

約数ペア:

[(1, 200080180), (2, 100040090), (4, 50020045), (5, 40016036), (10, 20008018), (20, 10004009), (149, 1342820), (298, 671410), (596, 335705), (745, 268564), (1490, 134282), (2980, 67141)]