27928180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199487}}^1$

素因数の和:199503

約数の個数: 24

約数和(自身を含む): 67027968

約数和(自身を除く): 39099788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199487, 398974, 797948, 997435, 1396409, 1994870, 2792818, 3989740, 5585636, 6982045, 13964090, 27928180]

約数ペア:

[(1, 27928180), (2, 13964090), (4, 6982045), (5, 5585636), (7, 3989740), (10, 2792818), (14, 1994870), (20, 1396409), (28, 997435), (35, 797948), (70, 398974), (140, 199487)]