308943580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1404289}}^1$

素因数の和:1404309

約数の個数: 24

約数和(自身を含む): 707762160

約数和(自身を除く): 398818580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1404289, 2808578, 5617156, 7021445, 14042890, 15447179, 28085780, 30894358, 61788716, 77235895, 154471790, 308943580]

約数ペア:

[(1, 308943580), (2, 154471790), (4, 77235895), (5, 61788716), (10, 30894358), (11, 28085780), (20, 15447179), (22, 14042890), (44, 7021445), (55, 5617156), (110, 2808578), (220, 1404289)]