2440340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17431}}^1$

素因数の和:17447

約数の個数: 24

約数和(自身を含む): 5857152

約数和(自身を除く): 3416812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 17431, 34862, 69724, 87155, 122017, 174310, 244034, 348620, 488068, 610085, 1220170, 2440340]

約数ペア:

[(1, 2440340), (2, 1220170), (4, 610085), (5, 488068), (7, 348620), (10, 244034), (14, 174310), (20, 122017), (28, 87155), (35, 69724), (70, 34862), (140, 17431)]