218614960

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{14159}}^1$

素因数の和:14365

約数の個数: 40

約数和(自身を含む): 510949440

約数和(自身を除く): 292334480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 14159, 15440, 28318, 56636, 70795, 113272, 141590, 226544, 283180, 566360, 1132720, 2732687, 5465374, 10930748, 13663435, 21861496, 27326870, 43722992, 54653740, 109307480, 218614960]

約数ペア:

[(1, 218614960), (2, 109307480), (4, 54653740), (5, 43722992), (8, 27326870), (10, 21861496), (16, 13663435), (20, 10930748), (40, 5465374), (80, 2732687), (193, 1132720), (386, 566360), (772, 283180), (965, 226544), (1544, 141590), (1930, 113272), (3088, 70795), (3860, 56636), (7720, 28318), (14159, 15440)]