380910620

素因数分解:

$2^2\times 5^1\times {\mathrm{19045531}}^1$

素因数の和:19045540

約数の個数: 12

約数和(自身を含む): 799912344

約数和(自身を除く): 419001724

約数列:

[1, 2, 4, 5, 10, 20, 19045531, 38091062, 76182124, 95227655, 190455310, 380910620]

約数ペア:

[(1, 380910620), (2, 190455310), (4, 95227655), (5, 76182124), (10, 38091062), (20, 19045531)]