2811340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 6918912

約数和(自身を除く): 4107572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 467, 602, 860, 934, 1204, 1505, 1868, 2335, 3010, 3269, 4670, 6020, 6538, 9340, 13076, 16345, 20081, 32690, 40162, 65380, 80324, 100405, 140567, 200810, 281134, 401620, 562268, 702835, 1405670, 2811340]

約数ペア:

[(1, 2811340), (2, 1405670), (4, 702835), (5, 562268), (7, 401620), (10, 281134), (14, 200810), (20, 140567), (28, 100405), (35, 80324), (43, 65380), (70, 40162), (86, 32690), (140, 20081), (172, 16345), (215, 13076), (301, 9340), (430, 6538), (467, 6020), (602, 4670), (860, 3269), (934, 3010), (1204, 2335), (1505, 1868)]