133389800

素因数分解:

$2^3\times 5^2\times {\mathrm{661}}^1\times {\mathrm{1009}}^1$

素因数の和:1686

約数の個数: 48

約数和(自身を含む): 310908300

約数和(自身を除く): 177518500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 661, 1009, 1322, 2018, 2644, 3305, 4036, 5045, 5288, 6610, 8072, 10090, 13220, 16525, 20180, 25225, 26440, 33050, 40360, 50450, 66100, 100900, 132200, 201800, 666949, 1333898, 2667796, 3334745, 5335592, 6669490, 13338980, 16673725, 26677960, 33347450, 66694900, 133389800]

約数ペア:

[(1, 133389800), (2, 66694900), (4, 33347450), (5, 26677960), (8, 16673725), (10, 13338980), (20, 6669490), (25, 5335592), (40, 3334745), (50, 2667796), (100, 1333898), (200, 666949), (661, 201800), (1009, 132200), (1322, 100900), (2018, 66100), (2644, 50450), (3305, 40360), (4036, 33050), (5045, 26440), (5288, 25225), (6610, 20180), (8072, 16525), (10090, 13220)]