71942500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{4111}}^1$

素因数の和:4142

約数の個数: 60

約数和(自身を含む): 179842432

約数和(自身を除く): 107899932

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, 4111, 4375, 8222, 8750, 16444, 17500, 20555, 28777, 41110, 57554, 82220, 102775, 115108, 143885, 205550, 287770, 411100, 513875, 575540, 719425, 1027750, 1438850, 2055500, 2569375, 2877700, 3597125, 5138750, 7194250, 10277500, 14388500, 17985625, 35971250, 71942500]

約数ペア:

[(1, 71942500), (2, 35971250), (4, 17985625), (5, 14388500), (7, 10277500), (10, 7194250), (14, 5138750), (20, 3597125), (25, 2877700), (28, 2569375), (35, 2055500), (50, 1438850), (70, 1027750), (100, 719425), (125, 575540), (140, 513875), (175, 411100), (250, 287770), (350, 205550), (500, 143885), (625, 115108), (700, 102775), (875, 82220), (1250, 57554), (1750, 41110), (2500, 28777), (3500, 20555), (4111, 17500), (4375, 16444), (8222, 8750)]