394813090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{805741}}^1$

素因数の和:805762

約数の個数: 24

約数和(自身を含む): 826691292

約数和(自身を除く): 431878202

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 805741, 1611482, 4028705, 5640187, 8057410, 11280374, 28200935, 39481309, 56401870, 78962618, 197406545, 394813090]

約数ペア:

[(1, 394813090), (2, 197406545), (5, 78962618), (7, 56401870), (10, 39481309), (14, 28200935), (35, 11280374), (49, 8057410), (70, 5640187), (98, 4028705), (245, 1611482), (490, 805741)]