43401620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{463}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 94321920

約数和(自身を除く): 50920300

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 109, 172, 215, 218, 430, 436, 463, 545, 860, 926, 1090, 1852, 2180, 2315, 4630, 4687, 9260, 9374, 18748, 19909, 23435, 39818, 46870, 50467, 79636, 93740, 99545, 100934, 199090, 201868, 252335, 398180, 504670, 1009340, 2170081, 4340162, 8680324, 10850405, 21700810, 43401620]

約数ペア:

[(1, 43401620), (2, 21700810), (4, 10850405), (5, 8680324), (10, 4340162), (20, 2170081), (43, 1009340), (86, 504670), (109, 398180), (172, 252335), (215, 201868), (218, 199090), (430, 100934), (436, 99545), (463, 93740), (545, 79636), (860, 50467), (926, 46870), (1090, 39818), (1852, 23435), (2180, 19909), (2315, 18748), (4630, 9374), (4687, 9260)]