204020900

素因数分解:

$2^2\times 5^2\times {\mathrm{827}}^1\times {\mathrm{2467}}^1$

素因数の和:3308

約数の個数: 36

約数和(自身を含む): 443440368

約数和(自身を除く): 239419468

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 827, 1654, 2467, 3308, 4135, 4934, 8270, 9868, 12335, 16540, 20675, 24670, 41350, 49340, 61675, 82700, 123350, 246700, 2040209, 4080418, 8160836, 10201045, 20402090, 40804180, 51005225, 102010450, 204020900]

約数ペア:

[(1, 204020900), (2, 102010450), (4, 51005225), (5, 40804180), (10, 20402090), (20, 10201045), (25, 8160836), (50, 4080418), (100, 2040209), (827, 246700), (1654, 123350), (2467, 82700), (3308, 61675), (4135, 49340), (4934, 41350), (8270, 24670), (9868, 20675), (12335, 16540)]