248996860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1778549}}^1$

素因数の和:1778565

約数の個数: 24

約数和(自身を含む): 597592800

約数和(自身を除く): 348595940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1778549, 3557098, 7114196, 8892745, 12449843, 17785490, 24899686, 35570980, 49799372, 62249215, 124498430, 248996860]

約数ペア:

[(1, 248996860), (2, 124498430), (4, 62249215), (5, 49799372), (7, 35570980), (10, 24899686), (14, 17785490), (20, 12449843), (28, 8892745), (35, 7114196), (70, 3557098), (140, 1778549)]