9012500

素因数分解:

$2^2\times 5^5\times 7^1\times {\mathrm{103}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 22748544

約数和(自身を除く): 13736044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 103, 125, 140, 175, 206, 250, 350, 412, 500, 515, 625, 700, 721, 875, 1030, 1250, 1442, 1750, 2060, 2500, 2575, 2884, 3125, 3500, 3605, 4375, 5150, 6250, 7210, 8750, 10300, 12500, 12875, 14420, 17500, 18025, 21875, 25750, 36050, 43750, 51500, 64375, 72100, 87500, 90125, 128750, 180250, 257500, 321875, 360500, 450625, 643750, 901250, 1287500, 1802500, 2253125, 4506250, 9012500]

約数ペア:

[(1, 9012500), (2, 4506250), (4, 2253125), (5, 1802500), (7, 1287500), (10, 901250), (14, 643750), (20, 450625), (25, 360500), (28, 321875), (35, 257500), (50, 180250), (70, 128750), (100, 90125), (103, 87500), (125, 72100), (140, 64375), (175, 51500), (206, 43750), (250, 36050), (350, 25750), (412, 21875), (500, 18025), (515, 17500), (625, 14420), (700, 12875), (721, 12500), (875, 10300), (1030, 8750), (1250, 7210), (1442, 6250), (1750, 5150), (2060, 4375), (2500, 3605), (2575, 3500), (2884, 3125)]