128949552620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{921068233}}^1$

素因数の和:921068249

約数の個数: 24

約数和(自身を含む): 309478926624

約数和(自身を除く): 180529374004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 921068233, 1842136466, 3684272932, 4605341165, 6447477631, 9210682330, 12894955262, 18421364660, 25789910524, 32237388155, 64474776310, 128949552620]

約数ペア:

[(1, 128949552620), (2, 64474776310), (4, 32237388155), (5, 25789910524), (7, 18421364660), (10, 12894955262), (14, 9210682330), (20, 6447477631), (28, 4605341165), (35, 3684272932), (70, 1842136466), (140, 921068233)]