2988500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 6726720

約数和(自身を除く): 3738220

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 139, 172, 215, 250, 278, 430, 500, 556, 695, 860, 1075, 1390, 2150, 2780, 3475, 4300, 5375, 5977, 6950, 10750, 11954, 13900, 17375, 21500, 23908, 29885, 34750, 59770, 69500, 119540, 149425, 298850, 597700, 747125, 1494250, 2988500]

約数ペア:

[(1, 2988500), (2, 1494250), (4, 747125), (5, 597700), (10, 298850), (20, 149425), (25, 119540), (43, 69500), (50, 59770), (86, 34750), (100, 29885), (125, 23908), (139, 21500), (172, 17375), (215, 13900), (250, 11954), (278, 10750), (430, 6950), (500, 5977), (556, 5375), (695, 4300), (860, 3475), (1075, 2780), (1390, 2150)]