204037540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1457411}}^1$

素因数の和:1457427

約数の個数: 24

約数和(自身を含む): 489690432

約数和(自身を除く): 285652892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1457411, 2914822, 5829644, 7287055, 10201877, 14574110, 20403754, 29148220, 40807508, 51009385, 102018770, 204037540]

約数ペア:

[(1, 204037540), (2, 102018770), (4, 51009385), (5, 40807508), (7, 29148220), (10, 20403754), (14, 14574110), (20, 10201877), (28, 7287055), (35, 5829644), (70, 2914822), (140, 1457411)]