11987500

素因数分解:

$2^2\times 5^5\times 7^1\times {\mathrm{137}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 30185568

約数和(自身を除く): 18198068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 137, 140, 175, 250, 274, 350, 500, 548, 625, 685, 700, 875, 959, 1250, 1370, 1750, 1918, 2500, 2740, 3125, 3425, 3500, 3836, 4375, 4795, 6250, 6850, 8750, 9590, 12500, 13700, 17125, 17500, 19180, 21875, 23975, 34250, 43750, 47950, 68500, 85625, 87500, 95900, 119875, 171250, 239750, 342500, 428125, 479500, 599375, 856250, 1198750, 1712500, 2397500, 2996875, 5993750, 11987500]

約数ペア:

[(1, 11987500), (2, 5993750), (4, 2996875), (5, 2397500), (7, 1712500), (10, 1198750), (14, 856250), (20, 599375), (25, 479500), (28, 428125), (35, 342500), (50, 239750), (70, 171250), (100, 119875), (125, 95900), (137, 87500), (140, 85625), (175, 68500), (250, 47950), (274, 43750), (350, 34250), (500, 23975), (548, 21875), (625, 19180), (685, 17500), (700, 17125), (875, 13700), (959, 12500), (1250, 9590), (1370, 8750), (1750, 6850), (1918, 6250), (2500, 4795), (2740, 4375), (3125, 3836), (3425, 3500)]