289804940

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{75079}}^1$

素因数の和:75281

約数の個数: 24

約数和(自身を含む): 611751840

約数和(自身を除く): 321946900

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 75079, 150158, 300316, 375395, 750790, 1501580, 14490247, 28980494, 57960988, 72451235, 144902470, 289804940]

約数ペア:

[(1, 289804940), (2, 144902470), (4, 72451235), (5, 57960988), (10, 28980494), (20, 14490247), (193, 1501580), (386, 750790), (772, 375395), (965, 300316), (1930, 150158), (3860, 75079)]