1277322740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1485259}}^1$

素因数の和:1485311

約数の個数: 24

約数和(自身を含む): 2744760480

約数和(自身を除く): 1467437740

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1485259, 2970518, 5941036, 7426295, 14852590, 29705180, 63866137, 127732274, 255464548, 319330685, 638661370, 1277322740]

約数ペア:

[(1, 1277322740), (2, 638661370), (4, 319330685), (5, 255464548), (10, 127732274), (20, 63866137), (43, 29705180), (86, 14852590), (172, 7426295), (215, 5941036), (430, 2970518), (860, 1485259)]