28068500

素因数分解:

$2^2\times 5^3\times {\mathrm{73}}^1\times {\mathrm{769}}^1$

素因数の和:861

約数の個数: 48

約数和(自身を含む): 62222160

約数和(自身を除く): 34153660

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 125, 146, 250, 292, 365, 500, 730, 769, 1460, 1538, 1825, 3076, 3650, 3845, 7300, 7690, 9125, 15380, 18250, 19225, 36500, 38450, 56137, 76900, 96125, 112274, 192250, 224548, 280685, 384500, 561370, 1122740, 1403425, 2806850, 5613700, 7017125, 14034250, 28068500]

約数ペア:

[(1, 28068500), (2, 14034250), (4, 7017125), (5, 5613700), (10, 2806850), (20, 1403425), (25, 1122740), (50, 561370), (73, 384500), (100, 280685), (125, 224548), (146, 192250), (250, 112274), (292, 96125), (365, 76900), (500, 56137), (730, 38450), (769, 36500), (1460, 19225), (1538, 18250), (1825, 15380), (3076, 9125), (3650, 7690), (3845, 7300)]