2991661540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{21369011}}^1$

素因数の和:21369027

約数の個数: 24

約数和(自身を含む): 7179988032

約数和(自身を除く): 4188326492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 21369011, 42738022, 85476044, 106845055, 149583077, 213690110, 299166154, 427380220, 598332308, 747915385, 1495830770, 2991661540]

約数ペア:

[(1, 2991661540), (2, 1495830770), (4, 747915385), (5, 598332308), (7, 427380220), (10, 299166154), (14, 213690110), (20, 149583077), (28, 106845055), (35, 85476044), (70, 42738022), (140, 21369011)]