12722500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{727}}^1$

素因数の和:758

約数の個数: 60

約数和(自身を含む): 31839808

約数和(自身を除く): 19117308

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, 727, 875, 1250, 1454, 1750, 2500, 2908, 3500, 3635, 4375, 5089, 7270, 8750, 10178, 14540, 17500, 18175, 20356, 25445, 36350, 50890, 72700, 90875, 101780, 127225, 181750, 254450, 363500, 454375, 508900, 636125, 908750, 1272250, 1817500, 2544500, 3180625, 6361250, 12722500]

約数ペア:

[(1, 12722500), (2, 6361250), (4, 3180625), (5, 2544500), (7, 1817500), (10, 1272250), (14, 908750), (20, 636125), (25, 508900), (28, 454375), (35, 363500), (50, 254450), (70, 181750), (100, 127225), (125, 101780), (140, 90875), (175, 72700), (250, 50890), (350, 36350), (500, 25445), (625, 20356), (700, 18175), (727, 17500), (875, 14540), (1250, 10178), (1454, 8750), (1750, 7270), (2500, 5089), (2908, 4375), (3500, 3635)]