205652780

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{69011}}^1$

素因数の和:69169

約数の個数: 24

約数和(自身を含む): 434775600

約数和(自身を除く): 229122820

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 69011, 138022, 276044, 345055, 690110, 1380220, 10282639, 20565278, 41130556, 51413195, 102826390, 205652780]

約数ペア:

[(1, 205652780), (2, 102826390), (4, 51413195), (5, 41130556), (10, 20565278), (20, 10282639), (149, 1380220), (298, 690110), (596, 345055), (745, 276044), (1490, 138022), (2980, 69011)]