2017205470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{323789}}^1$

素因数の和:323892

約数の個数: 32

約数和(自身を含む): 4196318400

約数和(自身を除く): 2179112930

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 6230, 323789, 647578, 1618945, 2266523, 3237890, 4533046, 11332615, 22665230, 28817221, 57634442, 144086105, 201720547, 288172210, 403441094, 1008602735, 2017205470]

約数ペア:

[(1, 2017205470), (2, 1008602735), (5, 403441094), (7, 288172210), (10, 201720547), (14, 144086105), (35, 57634442), (70, 28817221), (89, 22665230), (178, 11332615), (445, 4533046), (623, 3237890), (890, 2266523), (1246, 1618945), (3115, 647578), (6230, 323789)]