30434180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{217387}}^1$

素因数の和:217403

約数の個数: 24

約数和(自身を含む): 73042368

約数和(自身を除く): 42608188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 217387, 434774, 869548, 1086935, 1521709, 2173870, 3043418, 4347740, 6086836, 7608545, 15217090, 30434180]

約数ペア:

[(1, 30434180), (2, 15217090), (4, 7608545), (5, 6086836), (7, 4347740), (10, 3043418), (14, 2173870), (20, 1521709), (28, 1086935), (35, 869548), (70, 434774), (140, 217387)]