265797620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{28097}}^1$

素因数の和:28160

約数の個数: 48

約数和(自身を含む): 623101248

約数和(自身を除く): 357303628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 28097, 56194, 112388, 140485, 280970, 309067, 561940, 618134, 1208171, 1236268, 1545335, 2416342, 3090670, 4832684, 6040855, 6181340, 12081710, 13289881, 24163420, 26579762, 53159524, 66449405, 132898810, 265797620]

約数ペア:

[(1, 265797620), (2, 132898810), (4, 66449405), (5, 53159524), (10, 26579762), (11, 24163420), (20, 13289881), (22, 12081710), (43, 6181340), (44, 6040855), (55, 4832684), (86, 3090670), (110, 2416342), (172, 1545335), (215, 1236268), (220, 1208171), (430, 618134), (473, 561940), (860, 309067), (946, 280970), (1892, 140485), (2365, 112388), (4730, 56194), (9460, 28097)]