1277193740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1485109}}^1$

素因数の和:1485161

約数の個数: 24

約数和(自身を含む): 2744483280

約数和(自身を除く): 1467289540

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1485109, 2970218, 5940436, 7425545, 14851090, 29702180, 63859687, 127719374, 255438748, 319298435, 638596870, 1277193740]

約数ペア:

[(1, 1277193740), (2, 638596870), (4, 319298435), (5, 255438748), (10, 127719374), (20, 63859687), (43, 29702180), (86, 14851090), (172, 7425545), (215, 5940436), (430, 2970218), (860, 1485109)]