157931480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{564041}}^1$

素因数の和:564059

約数の個数: 32

約数和(自身を含む): 406110240

約数和(自身を除く): 248178760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 564041, 1128082, 2256164, 2820205, 3948287, 4512328, 5640410, 7896574, 11280820, 15793148, 19741435, 22561640, 31586296, 39482870, 78965740, 157931480]

約数ペア:

[(1, 157931480), (2, 78965740), (4, 39482870), (5, 31586296), (7, 22561640), (8, 19741435), (10, 15793148), (14, 11280820), (20, 7896574), (28, 5640410), (35, 4512328), (40, 3948287), (56, 2820205), (70, 2256164), (140, 1128082), (280, 564041)]