210668540

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{18911}}^1$

素因数の和:19477

約数の個数: 24

約数和(自身を含む): 443221632

約数和(自身を除く): 232553092

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5570, 11140, 18911, 37822, 75644, 94555, 189110, 378220, 10533427, 21066854, 42133708, 52667135, 105334270, 210668540]

約数ペア:

[(1, 210668540), (2, 105334270), (4, 52667135), (5, 42133708), (10, 21066854), (20, 10533427), (557, 378220), (1114, 189110), (2228, 94555), (2785, 75644), (5570, 37822), (11140, 18911)]