27973220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2957}}^1$

素因数の和:3020

約数の個数: 48

約数和(自身を含む): 65596608

約数和(自身を除く): 37623388

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, 2957, 4730, 5914, 9460, 11828, 14785, 29570, 32527, 59140, 65054, 127151, 130108, 162635, 254302, 325270, 508604, 635755, 650540, 1271510, 1398661, 2543020, 2797322, 5594644, 6993305, 13986610, 27973220]

約数ペア:

[(1, 27973220), (2, 13986610), (4, 6993305), (5, 5594644), (10, 2797322), (11, 2543020), (20, 1398661), (22, 1271510), (43, 650540), (44, 635755), (55, 508604), (86, 325270), (110, 254302), (172, 162635), (215, 130108), (220, 127151), (430, 65054), (473, 59140), (860, 32527), (946, 29570), (1892, 14785), (2365, 11828), (2957, 9460), (4730, 5914)]