315281540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2252011}}^1$

素因数の和:2252027

約数の個数: 24

約数和(自身を含む): 756676032

約数和(自身を除く): 441394492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2252011, 4504022, 9008044, 11260055, 15764077, 22520110, 31528154, 45040220, 63056308, 78820385, 157640770, 315281540]

約数ペア:

[(1, 315281540), (2, 157640770), (4, 78820385), (5, 63056308), (7, 45040220), (10, 31528154), (14, 22520110), (20, 15764077), (28, 11260055), (35, 9008044), (70, 4504022), (140, 2252011)]