208086270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{990887}}^1$

素因数の和:990904

約数の個数: 32

約数和(自身を含む): 570751488

約数和(自身を除く): 362665218

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 990887, 1981774, 2972661, 4954435, 5945322, 6936209, 9908870, 13872418, 14863305, 20808627, 29726610, 34681045, 41617254, 69362090, 104043135, 208086270]

約数ペア:

[(1, 208086270), (2, 104043135), (3, 69362090), (5, 41617254), (6, 34681045), (7, 29726610), (10, 20808627), (14, 14863305), (15, 13872418), (21, 9908870), (30, 6936209), (35, 5945322), (42, 4954435), (70, 2972661), (105, 1981774), (210, 990887)]