218908460

素因数分解:

$2^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{32479}}^1$

素因数の和:32825

約数の個数: 24

約数和(自身を含む): 461086080

約数和(自身を除く): 242177620

約数列:

[1, 2, 4, 5, 10, 20, 337, 674, 1348, 1685, 3370, 6740, 32479, 64958, 129916, 162395, 324790, 649580, 10945423, 21890846, 43781692, 54727115, 109454230, 218908460]

約数ペア:

[(1, 218908460), (2, 109454230), (4, 54727115), (5, 43781692), (10, 21890846), (20, 10945423), (337, 649580), (674, 324790), (1348, 162395), (1685, 129916), (3370, 64958), (6740, 32479)]