2085500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 4708704

約数和(自身を除く): 2623204

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 97, 100, 125, 172, 194, 215, 250, 388, 430, 485, 500, 860, 970, 1075, 1940, 2150, 2425, 4171, 4300, 4850, 5375, 8342, 9700, 10750, 12125, 16684, 20855, 21500, 24250, 41710, 48500, 83420, 104275, 208550, 417100, 521375, 1042750, 2085500]

約数ペア:

[(1, 2085500), (2, 1042750), (4, 521375), (5, 417100), (10, 208550), (20, 104275), (25, 83420), (43, 48500), (50, 41710), (86, 24250), (97, 21500), (100, 20855), (125, 16684), (172, 12125), (194, 10750), (215, 9700), (250, 8342), (388, 5375), (430, 4850), (485, 4300), (500, 4171), (860, 2425), (970, 2150), (1075, 1940)]