138017810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{281669}}^1$

素因数の和:281690

約数の個数: 24

約数和(自身を含む): 288993420

約数和(自身を除く): 150975610

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 281669, 563338, 1408345, 1971683, 2816690, 3943366, 9858415, 13801781, 19716830, 27603562, 69008905, 138017810]

約数ペア:

[(1, 138017810), (2, 69008905), (5, 27603562), (7, 19716830), (10, 13801781), (14, 9858415), (35, 3943366), (49, 2816690), (70, 1971683), (98, 1408345), (245, 563338), (490, 281669)]