266491540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1903511}}^1$

素因数の和:1903527

約数の個数: 24

約数和(自身を含む): 639580032

約数和(自身を除く): 373088492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1903511, 3807022, 7614044, 9517555, 13324577, 19035110, 26649154, 38070220, 53298308, 66622885, 133245770, 266491540]

約数ペア:

[(1, 266491540), (2, 133245770), (4, 66622885), (5, 53298308), (7, 38070220), (10, 26649154), (14, 19035110), (20, 13324577), (28, 9517555), (35, 7614044), (70, 3807022), (140, 1903511)]