12617500

素因数分解:

$2^2\times 5^4\times 7^2\times {\mathrm{103}}^1$

素因数の和:141

約数の個数: 90

約数和(自身を含む): 32408376

約数和(自身を除く): 19790876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 103, 125, 140, 175, 196, 206, 245, 250, 350, 412, 490, 500, 515, 625, 700, 721, 875, 980, 1030, 1225, 1250, 1442, 1750, 2060, 2450, 2500, 2575, 2884, 3500, 3605, 4375, 4900, 5047, 5150, 6125, 7210, 8750, 10094, 10300, 12250, 12875, 14420, 17500, 18025, 20188, 24500, 25235, 25750, 30625, 36050, 50470, 51500, 61250, 64375, 72100, 90125, 100940, 122500, 126175, 128750, 180250, 252350, 257500, 360500, 450625, 504700, 630875, 901250, 1261750, 1802500, 2523500, 3154375, 6308750, 12617500]

約数ペア:

[(1, 12617500), (2, 6308750), (4, 3154375), (5, 2523500), (7, 1802500), (10, 1261750), (14, 901250), (20, 630875), (25, 504700), (28, 450625), (35, 360500), (49, 257500), (50, 252350), (70, 180250), (98, 128750), (100, 126175), (103, 122500), (125, 100940), (140, 90125), (175, 72100), (196, 64375), (206, 61250), (245, 51500), (250, 50470), (350, 36050), (412, 30625), (490, 25750), (500, 25235), (515, 24500), (625, 20188), (700, 18025), (721, 17500), (875, 14420), (980, 12875), (1030, 12250), (1225, 10300), (1250, 10094), (1442, 8750), (1750, 7210), (2060, 6125), (2450, 5150), (2500, 5047), (2575, 4900), (2884, 4375), (3500, 3605)]