266945980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1906757}}^1$

素因数の和:1906773

約数の個数: 24

約数和(自身を含む): 640670688

約数和(自身を除く): 373724708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1906757, 3813514, 7627028, 9533785, 13347299, 19067570, 26694598, 38135140, 53389196, 66736495, 133472990, 266945980]

約数ペア:

[(1, 266945980), (2, 133472990), (4, 66736495), (5, 53389196), (7, 38135140), (10, 26694598), (14, 19067570), (20, 13347299), (28, 9533785), (35, 7627028), (70, 3813514), (140, 1906757)]