289499810

素因数分解:

$2^1\times 5^1\times {\mathrm{2857}}^1\times {\mathrm{10133}}^1$

素因数の和:12997

約数の個数: 16

約数和(自身を含む): 521333496

約数和(自身を除く): 231833686

約数列:

[1, 2, 5, 10, 2857, 5714, 10133, 14285, 20266, 28570, 50665, 101330, 28949981, 57899962, 144749905, 289499810]

約数ペア:

[(1, 289499810), (2, 144749905), (5, 57899962), (10, 28949981), (2857, 101330), (5714, 50665), (10133, 28570), (14285, 20266)]