85487500

素因数分解:

$2^2\times 5^5\times 7^1\times {\mathrm{977}}^1$

素因数の和:1013

約数の個数: 72

約数和(自身を含む): 213923808

約数和(自身を除く): 128436308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 625, 700, 875, 977, 1250, 1750, 1954, 2500, 3125, 3500, 3908, 4375, 4885, 6250, 6839, 8750, 9770, 12500, 13678, 17500, 19540, 21875, 24425, 27356, 34195, 43750, 48850, 68390, 87500, 97700, 122125, 136780, 170975, 244250, 341950, 488500, 610625, 683900, 854875, 1221250, 1709750, 2442500, 3053125, 3419500, 4274375, 6106250, 8548750, 12212500, 17097500, 21371875, 42743750, 85487500]

約数ペア:

[(1, 85487500), (2, 42743750), (4, 21371875), (5, 17097500), (7, 12212500), (10, 8548750), (14, 6106250), (20, 4274375), (25, 3419500), (28, 3053125), (35, 2442500), (50, 1709750), (70, 1221250), (100, 854875), (125, 683900), (140, 610625), (175, 488500), (250, 341950), (350, 244250), (500, 170975), (625, 136780), (700, 122125), (875, 97700), (977, 87500), (1250, 68390), (1750, 48850), (1954, 43750), (2500, 34195), (3125, 27356), (3500, 24425), (3908, 21875), (4375, 19540), (4885, 17500), (6250, 13678), (6839, 12500), (8750, 9770)]