213904180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1527887}}^1$

素因数の和:1527903

約数の個数: 24

約数和(自身を含む): 513370368

約数和(自身を除く): 299466188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1527887, 3055774, 6111548, 7639435, 10695209, 15278870, 21390418, 30557740, 42780836, 53476045, 106952090, 213904180]

約数ペア:

[(1, 213904180), (2, 106952090), (4, 53476045), (5, 42780836), (7, 30557740), (10, 21390418), (14, 15278870), (20, 10695209), (28, 7639435), (35, 6111548), (70, 3055774), (140, 1527887)]