2451347500

素因数分解:

$2^2\times 5^4\times 7^2\times {\mathrm{20011}}^1$

素因数の和:20049

約数の個数: 90

約数和(自身を含む): 6236119428

約数和(自身を除く): 3784771928

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, 490, 500, 625, 700, 875, 980, 1225, 1250, 1750, 2450, 2500, 3500, 4375, 4900, 6125, 8750, 12250, 17500, 20011, 24500, 30625, 40022, 61250, 80044, 100055, 122500, 140077, 200110, 280154, 400220, 500275, 560308, 700385, 980539, 1000550, 1400770, 1961078, 2001100, 2501375, 2801540, 3501925, 3922156, 4902695, 5002750, 7003850, 9805390, 10005500, 12506875, 14007700, 17509625, 19610780, 24513475, 25013750, 35019250, 49026950, 50027500, 70038500, 87548125, 98053900, 122567375, 175096250, 245134750, 350192500, 490269500, 612836875, 1225673750, 2451347500]

約数ペア:

[(1, 2451347500), (2, 1225673750), (4, 612836875), (5, 490269500), (7, 350192500), (10, 245134750), (14, 175096250), (20, 122567375), (25, 98053900), (28, 87548125), (35, 70038500), (49, 50027500), (50, 49026950), (70, 35019250), (98, 25013750), (100, 24513475), (125, 19610780), (140, 17509625), (175, 14007700), (196, 12506875), (245, 10005500), (250, 9805390), (350, 7003850), (490, 5002750), (500, 4902695), (625, 3922156), (700, 3501925), (875, 2801540), (980, 2501375), (1225, 2001100), (1250, 1961078), (1750, 1400770), (2450, 1000550), (2500, 980539), (3500, 700385), (4375, 560308), (4900, 500275), (6125, 400220), (8750, 280154), (12250, 200110), (17500, 140077), (20011, 122500), (24500, 100055), (30625, 80044), (40022, 61250)]