2816500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:193

約数の個数: 48

約数和(自身を含む): 6342336

約数和(自身を除く): 3525836

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 131, 172, 215, 250, 262, 430, 500, 524, 655, 860, 1075, 1310, 2150, 2620, 3275, 4300, 5375, 5633, 6550, 10750, 11266, 13100, 16375, 21500, 22532, 28165, 32750, 56330, 65500, 112660, 140825, 281650, 563300, 704125, 1408250, 2816500]

約数ペア:

[(1, 2816500), (2, 1408250), (4, 704125), (5, 563300), (10, 281650), (20, 140825), (25, 112660), (43, 65500), (50, 56330), (86, 32750), (100, 28165), (125, 22532), (131, 21500), (172, 16375), (215, 13100), (250, 11266), (262, 10750), (430, 6550), (500, 5633), (524, 5375), (655, 4300), (860, 3275), (1075, 2620), (1310, 2150)]