841480

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 1920600

約数和(自身を除く): 1079120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 193, 218, 386, 436, 545, 772, 872, 965, 1090, 1544, 1930, 2180, 3860, 4360, 7720, 21037, 42074, 84148, 105185, 168296, 210370, 420740, 841480]

約数ペア:

[(1, 841480), (2, 420740), (4, 210370), (5, 168296), (8, 105185), (10, 84148), (20, 42074), (40, 21037), (109, 7720), (193, 4360), (218, 3860), (386, 2180), (436, 1930), (545, 1544), (772, 1090), (872, 965)]