157620980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{716459}}^1$

素因数の和:716479

約数の個数: 24

約数和(自身を含む): 361095840

約数和(自身を除く): 203474860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 716459, 1432918, 2865836, 3582295, 7164590, 7881049, 14329180, 15762098, 31524196, 39405245, 78810490, 157620980]

約数ペア:

[(1, 157620980), (2, 78810490), (4, 39405245), (5, 31524196), (10, 15762098), (11, 14329180), (20, 7881049), (22, 7164590), (44, 3582295), (55, 2865836), (110, 1432918), (220, 716459)]