6440900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{2221}}^1$

素因数の和:2264

約数の個数: 36

約数和(自身を含む): 14465220

約数和(自身を除く): 8024320

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2221, 2900, 4442, 8884, 11105, 22210, 44420, 55525, 64409, 111050, 128818, 222100, 257636, 322045, 644090, 1288180, 1610225, 3220450, 6440900]

約数ペア:

[(1, 6440900), (2, 3220450), (4, 1610225), (5, 1288180), (10, 644090), (20, 322045), (25, 257636), (29, 222100), (50, 128818), (58, 111050), (100, 64409), (116, 55525), (145, 44420), (290, 22210), (580, 11105), (725, 8884), (1450, 4442), (2221, 2900)]