8487500

素因数分解:

$2^2\times 5^5\times 7^1\times {\mathrm{97}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 21436128

約数和(自身を除く): 12948628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 97, 100, 125, 140, 175, 194, 250, 350, 388, 485, 500, 625, 679, 700, 875, 970, 1250, 1358, 1750, 1940, 2425, 2500, 2716, 3125, 3395, 3500, 4375, 4850, 6250, 6790, 8750, 9700, 12125, 12500, 13580, 16975, 17500, 21875, 24250, 33950, 43750, 48500, 60625, 67900, 84875, 87500, 121250, 169750, 242500, 303125, 339500, 424375, 606250, 848750, 1212500, 1697500, 2121875, 4243750, 8487500]

約数ペア:

[(1, 8487500), (2, 4243750), (4, 2121875), (5, 1697500), (7, 1212500), (10, 848750), (14, 606250), (20, 424375), (25, 339500), (28, 303125), (35, 242500), (50, 169750), (70, 121250), (97, 87500), (100, 84875), (125, 67900), (140, 60625), (175, 48500), (194, 43750), (250, 33950), (350, 24250), (388, 21875), (485, 17500), (500, 16975), (625, 13580), (679, 12500), (700, 12125), (875, 9700), (970, 8750), (1250, 6790), (1358, 6250), (1750, 4850), (1940, 4375), (2425, 3500), (2500, 3395), (2716, 3125)]