676690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1381}}^1$

素因数の和:1402

約数の個数: 24

約数和(自身を含む): 1417932

約数和(自身を除く): 741242

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1381, 2762, 6905, 9667, 13810, 19334, 48335, 67669, 96670, 135338, 338345, 676690]

約数ペア:

[(1, 676690), (2, 338345), (5, 135338), (7, 96670), (10, 67669), (14, 48335), (35, 19334), (49, 13810), (70, 9667), (98, 6905), (245, 2762), (490, 1381)]