191890370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{391613}}^1$

素因数の和:391634

約数の個数: 24

約数和(自身を含む): 401795964

約数和(自身を除く): 209905594

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 391613, 783226, 1958065, 2741291, 3916130, 5482582, 13706455, 19189037, 27412910, 38378074, 95945185, 191890370]

約数ペア:

[(1, 191890370), (2, 95945185), (5, 38378074), (7, 27412910), (10, 19189037), (14, 13706455), (35, 5482582), (49, 3916130), (70, 2741291), (98, 1958065), (245, 783226), (490, 391613)]