219345140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1566751}}^1$

素因数の和:1566767

約数の個数: 24

約数和(自身を含む): 526428672

約数和(自身を除く): 307083532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1566751, 3133502, 6267004, 7833755, 10967257, 15667510, 21934514, 31335020, 43869028, 54836285, 109672570, 219345140]

約数ペア:

[(1, 219345140), (2, 109672570), (4, 54836285), (5, 43869028), (7, 31335020), (10, 21934514), (14, 15667510), (20, 10967257), (28, 7833755), (35, 6267004), (70, 3133502), (140, 1566751)]