1321521897500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{75515537}}^1$

素因数の和:75515568

約数の個数: 60

約数和(自身を含む): 3302747569968

約数和(自身を除く): 1981225672468

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, 875, 1250, 1750, 2500, 3500, 4375, 8750, 17500, 75515537, 151031074, 302062148, 377577685, 528608759, 755155370, 1057217518, 1510310740, 1887888425, 2114435036, 2643043795, 3775776850, 5286087590, 7551553700, 9439442125, 10572175180, 13215218975, 18878884250, 26430437950, 37757768500, 47197210625, 52860875900, 66076094875, 94394421250, 132152189750, 188788842500, 264304379500, 330380474375, 660760948750, 1321521897500]

約数ペア:

[(1, 1321521897500), (2, 660760948750), (4, 330380474375), (5, 264304379500), (7, 188788842500), (10, 132152189750), (14, 94394421250), (20, 66076094875), (25, 52860875900), (28, 47197210625), (35, 37757768500), (50, 26430437950), (70, 18878884250), (100, 13215218975), (125, 10572175180), (140, 9439442125), (175, 7551553700), (250, 5286087590), (350, 3775776850), (500, 2643043795), (625, 2114435036), (700, 1887888425), (875, 1510310740), (1250, 1057217518), (1750, 755155370), (2500, 528608759), (3500, 377577685), (4375, 302062148), (8750, 151031074), (17500, 75515537)]