87272500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{4987}}^1$

素因数の和:5018

約数の個数: 60

約数和(自身を含む): 218155168

約数和(自身を除く): 130882668

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, 1250, 1750, 2500, 3500, 4375, 4987, 8750, 9974, 17500, 19948, 24935, 34909, 49870, 69818, 99740, 124675, 139636, 174545, 249350, 349090, 498700, 623375, 698180, 872725, 1246750, 1745450, 2493500, 3116875, 3490900, 4363625, 6233750, 8727250, 12467500, 17454500, 21818125, 43636250, 87272500]

約数ペア:

[(1, 87272500), (2, 43636250), (4, 21818125), (5, 17454500), (7, 12467500), (10, 8727250), (14, 6233750), (20, 4363625), (25, 3490900), (28, 3116875), (35, 2493500), (50, 1745450), (70, 1246750), (100, 872725), (125, 698180), (140, 623375), (175, 498700), (250, 349090), (350, 249350), (500, 174545), (625, 139636), (700, 124675), (875, 99740), (1250, 69818), (1750, 49870), (2500, 34909), (3500, 24935), (4375, 19948), (4987, 17500), (8750, 9974)]