49122500

素因数分解:

$2^2\times 5^4\times 7^2\times {\mathrm{401}}^1$

素因数の和:439

約数の個数: 90

約数和(自身を含む): 125270838

約数和(自身を除く): 76148338

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 401, 490, 500, 625, 700, 802, 875, 980, 1225, 1250, 1604, 1750, 2005, 2450, 2500, 2807, 3500, 4010, 4375, 4900, 5614, 6125, 8020, 8750, 10025, 11228, 12250, 14035, 17500, 19649, 20050, 24500, 28070, 30625, 39298, 40100, 50125, 56140, 61250, 70175, 78596, 98245, 100250, 122500, 140350, 196490, 200500, 250625, 280700, 350875, 392980, 491225, 501250, 701750, 982450, 1002500, 1403500, 1754375, 1964900, 2456125, 3508750, 4912250, 7017500, 9824500, 12280625, 24561250, 49122500]

約数ペア:

[(1, 49122500), (2, 24561250), (4, 12280625), (5, 9824500), (7, 7017500), (10, 4912250), (14, 3508750), (20, 2456125), (25, 1964900), (28, 1754375), (35, 1403500), (49, 1002500), (50, 982450), (70, 701750), (98, 501250), (100, 491225), (125, 392980), (140, 350875), (175, 280700), (196, 250625), (245, 200500), (250, 196490), (350, 140350), (401, 122500), (490, 100250), (500, 98245), (625, 78596), (700, 70175), (802, 61250), (875, 56140), (980, 50125), (1225, 40100), (1250, 39298), (1604, 30625), (1750, 28070), (2005, 24500), (2450, 20050), (2500, 19649), (2807, 17500), (3500, 14035), (4010, 12250), (4375, 11228), (4900, 10025), (5614, 8750), (6125, 8020)]