691607140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4940051}}^1$

素因数の和:4940067

約数の個数: 24

約数和(自身を含む): 1659857472

約数和(自身を除く): 968250332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4940051, 9880102, 19760204, 24700255, 34580357, 49400510, 69160714, 98801020, 138321428, 172901785, 345803570, 691607140]

約数ペア:

[(1, 691607140), (2, 345803570), (4, 172901785), (5, 138321428), (7, 98801020), (10, 69160714), (14, 49400510), (20, 34580357), (28, 24700255), (35, 19760204), (70, 9880102), (140, 4940051)]