2458220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6469}}^1$

素因数の和:6497

約数の個数: 24

約数和(自身を含む): 5434800

約数和(自身を除く): 2976580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 6469, 12938, 25876, 32345, 64690, 122911, 129380, 245822, 491644, 614555, 1229110, 2458220]

約数ペア:

[(1, 2458220), (2, 1229110), (4, 614555), (5, 491644), (10, 245822), (19, 129380), (20, 122911), (38, 64690), (76, 32345), (95, 25876), (190, 12938), (380, 6469)]