199929310

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{408019}}^1$

素因数の和:408040

約数の個数: 24

約数和(自身を含む): 418628520

約数和(自身を除く): 218699210

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 408019, 816038, 2040095, 2856133, 4080190, 5712266, 14280665, 19992931, 28561330, 39985862, 99964655, 199929310]

約数ペア:

[(1, 199929310), (2, 99964655), (5, 39985862), (7, 28561330), (10, 19992931), (14, 14280665), (35, 5712266), (49, 4080190), (70, 2856133), (98, 2040095), (245, 816038), (490, 408019)]