1709980

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{443}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 3617712

約数和(自身を除く): 1907732

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 443, 772, 886, 965, 1772, 1930, 2215, 3860, 4430, 8860, 85499, 170998, 341996, 427495, 854990, 1709980]

約数ペア:

[(1, 1709980), (2, 854990), (4, 427495), (5, 341996), (10, 170998), (20, 85499), (193, 8860), (386, 4430), (443, 3860), (772, 2215), (886, 1930), (965, 1772)]