189742480

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{23027}}^1$

素因数の和:23143

約数の個数: 40

約数和(自身を含む): 445453632

約数和(自身を除く): 255711152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 23027, 46054, 92108, 115135, 184216, 230270, 368432, 460540, 921080, 1842160, 2371781, 4743562, 9487124, 11858905, 18974248, 23717810, 37948496, 47435620, 94871240, 189742480]

約数ペア:

[(1, 189742480), (2, 94871240), (4, 47435620), (5, 37948496), (8, 23717810), (10, 18974248), (16, 11858905), (20, 9487124), (40, 4743562), (80, 2371781), (103, 1842160), (206, 921080), (412, 460540), (515, 368432), (824, 230270), (1030, 184216), (1648, 115135), (2060, 92108), (4120, 46054), (8240, 23027)]