30871540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{220511}}^1$

素因数の和:220527

約数の個数: 24

約数和(自身を含む): 74092032

約数和(自身を除く): 43220492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 220511, 441022, 882044, 1102555, 1543577, 2205110, 3087154, 4410220, 6174308, 7717885, 15435770, 30871540]

約数ペア:

[(1, 30871540), (2, 15435770), (4, 7717885), (5, 6174308), (7, 4410220), (10, 3087154), (14, 2205110), (20, 1543577), (28, 1102555), (35, 882044), (70, 441022), (140, 220511)]