211047410

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{430709}}^1$

素因数の和:430730

約数の個数: 24

約数和(自身を含む): 441908460

約数和(自身を除く): 230861050

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 430709, 861418, 2153545, 3014963, 4307090, 6029926, 15074815, 21104741, 30149630, 42209482, 105523705, 211047410]

約数ペア:

[(1, 211047410), (2, 105523705), (5, 42209482), (7, 30149630), (10, 21104741), (14, 15074815), (35, 6029926), (49, 4307090), (70, 3014963), (98, 2153545), (245, 861418), (490, 430709)]