9443660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 20697600

約数和(自身を除く): 11253940

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 139, 158, 172, 215, 278, 316, 395, 430, 556, 695, 790, 860, 1390, 1580, 2780, 3397, 5977, 6794, 10981, 11954, 13588, 16985, 21962, 23908, 29885, 33970, 43924, 54905, 59770, 67940, 109810, 119540, 219620, 472183, 944366, 1888732, 2360915, 4721830, 9443660]

約数ペア:

[(1, 9443660), (2, 4721830), (4, 2360915), (5, 1888732), (10, 944366), (20, 472183), (43, 219620), (79, 119540), (86, 109810), (139, 67940), (158, 59770), (172, 54905), (215, 43924), (278, 33970), (316, 29885), (395, 23908), (430, 21962), (556, 16985), (695, 13588), (790, 11954), (860, 10981), (1390, 6794), (1580, 5977), (2780, 3397)]