255280340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1823431}}^1$

素因数の和:1823447

約数の個数: 24

約数和(自身を含む): 612673152

約数和(自身を除く): 357392812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1823431, 3646862, 7293724, 9117155, 12764017, 18234310, 25528034, 36468620, 51056068, 63820085, 127640170, 255280340]

約数ペア:

[(1, 255280340), (2, 127640170), (4, 63820085), (5, 51056068), (7, 36468620), (10, 25528034), (14, 18234310), (20, 12764017), (28, 9117155), (35, 7293724), (70, 3646862), (140, 1823431)]