1904900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:500

約数の個数: 36

約数和(自身を含む): 4239312

約数和(自身を除く): 2334412

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 443, 860, 886, 1075, 1772, 2150, 2215, 4300, 4430, 8860, 11075, 19049, 22150, 38098, 44300, 76196, 95245, 190490, 380980, 476225, 952450, 1904900]

約数ペア:

[(1, 1904900), (2, 952450), (4, 476225), (5, 380980), (10, 190490), (20, 95245), (25, 76196), (43, 44300), (50, 38098), (86, 22150), (100, 19049), (172, 11075), (215, 8860), (430, 4430), (443, 4300), (860, 2215), (886, 2150), (1075, 1772)]