30917740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{220841}}^1$

素因数の和:220857

約数の個数: 24

約数和(自身を含む): 74202912

約数和(自身を除く): 43285172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 220841, 441682, 883364, 1104205, 1545887, 2208410, 3091774, 4416820, 6183548, 7729435, 15458870, 30917740]

約数ペア:

[(1, 30917740), (2, 15458870), (4, 7729435), (5, 6183548), (7, 4416820), (10, 3091774), (14, 2208410), (20, 1545887), (28, 1104205), (35, 883364), (70, 441682), (140, 220841)]