156904370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{320213}}^1$

素因数の和:320234

約数の個数: 24

約数和(自身を含む): 328539564

約数和(自身を除く): 171635194

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 320213, 640426, 1601065, 2241491, 3202130, 4482982, 11207455, 15690437, 22414910, 31380874, 78452185, 156904370]

約数ペア:

[(1, 156904370), (2, 78452185), (5, 31380874), (7, 22414910), (10, 15690437), (14, 11207455), (35, 4482982), (49, 3202130), (70, 2241491), (98, 1601065), (245, 640426), (490, 320213)]