122900980

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{19759}}^1$

素因数の和:20079

約数の個数: 24

約数和(自身を含む): 258935040

約数和(自身を除く): 136034060

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 19759, 39518, 79036, 98795, 197590, 395180, 6145049, 12290098, 24580196, 30725245, 61450490, 122900980]

約数ペア:

[(1, 122900980), (2, 61450490), (4, 30725245), (5, 24580196), (10, 12290098), (20, 6145049), (311, 395180), (622, 197590), (1244, 98795), (1555, 79036), (3110, 39518), (6220, 19759)]