289241380

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{74933}}^1$

素因数の和:75135

約数の個数: 24

約数和(自身を含む): 610562232

約数和(自身を除く): 321320852

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 74933, 149866, 299732, 374665, 749330, 1498660, 14462069, 28924138, 57848276, 72310345, 144620690, 289241380]

約数ペア:

[(1, 289241380), (2, 144620690), (4, 72310345), (5, 57848276), (10, 28924138), (20, 14462069), (193, 1498660), (386, 749330), (772, 374665), (965, 299732), (1930, 149866), (3860, 74933)]