2009187090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{142193}}^1$

素因数の和:142363

約数の個数: 48

約数和(自身を含む): 5257196568

約数和(自身を除く): 3248009478

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 157, 314, 471, 785, 942, 1413, 1570, 2355, 2826, 4710, 7065, 14130, 142193, 284386, 426579, 710965, 853158, 1279737, 1421930, 2132895, 2559474, 4265790, 6398685, 12797370, 22324301, 44648602, 66972903, 111621505, 133945806, 200918709, 223243010, 334864515, 401837418, 669729030, 1004593545, 2009187090]

約数ペア:

[(1, 2009187090), (2, 1004593545), (3, 669729030), (5, 401837418), (6, 334864515), (9, 223243010), (10, 200918709), (15, 133945806), (18, 111621505), (30, 66972903), (45, 44648602), (90, 22324301), (157, 12797370), (314, 6398685), (471, 4265790), (785, 2559474), (942, 2132895), (1413, 1421930), (1570, 1279737), (2355, 853158), (2826, 710965), (4710, 426579), (7065, 284386), (14130, 142193)]