29989820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{214213}}^1$

素因数の和:214229

約数の個数: 24

約数和(自身を含む): 71975904

約数和(自身を除く): 41986084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 214213, 428426, 856852, 1071065, 1499491, 2142130, 2998982, 4284260, 5997964, 7497455, 14994910, 29989820]

約数ペア:

[(1, 29989820), (2, 14994910), (4, 7497455), (5, 5997964), (7, 4284260), (10, 2998982), (14, 2142130), (20, 1499491), (28, 1071065), (35, 856852), (70, 428426), (140, 214213)]