9431620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 22131648

約数和(自身を除く): 12700028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 997, 1892, 1994, 2365, 3988, 4730, 4985, 9460, 9970, 10967, 19940, 21934, 42871, 43868, 54835, 85742, 109670, 171484, 214355, 219340, 428710, 471581, 857420, 943162, 1886324, 2357905, 4715810, 9431620]

約数ペア:

[(1, 9431620), (2, 4715810), (4, 2357905), (5, 1886324), (10, 943162), (11, 857420), (20, 471581), (22, 428710), (43, 219340), (44, 214355), (55, 171484), (86, 109670), (110, 85742), (172, 54835), (215, 43868), (220, 42871), (430, 21934), (473, 19940), (860, 10967), (946, 9970), (997, 9460), (1892, 4985), (1994, 4730), (2365, 3988)]