169549940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{6691}}^1$

素因数の和:6888

約数の個数: 48

約数和(自身を含む): 409229184

約数和(自身を除く): 239679244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 724, 905, 1267, 1810, 2534, 3620, 5068, 6335, 6691, 12670, 13382, 25340, 26764, 33455, 46837, 66910, 93674, 133820, 187348, 234185, 468370, 936740, 1211071, 2422142, 4844284, 6055355, 8477497, 12110710, 16954994, 24221420, 33909988, 42387485, 84774970, 169549940]

約数ペア:

[(1, 169549940), (2, 84774970), (4, 42387485), (5, 33909988), (7, 24221420), (10, 16954994), (14, 12110710), (20, 8477497), (28, 6055355), (35, 4844284), (70, 2422142), (140, 1211071), (181, 936740), (362, 468370), (724, 234185), (905, 187348), (1267, 133820), (1810, 93674), (2534, 66910), (3620, 46837), (5068, 33455), (6335, 26764), (6691, 25340), (12670, 13382)]