12123140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 27289920

約数和(自身を除く): 15166780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 523, 610, 1046, 1159, 1220, 2092, 2318, 2615, 4636, 5230, 5795, 9937, 10460, 11590, 19874, 23180, 31903, 39748, 49685, 63806, 99370, 127612, 159515, 198740, 319030, 606157, 638060, 1212314, 2424628, 3030785, 6061570, 12123140]

約数ペア:

[(1, 12123140), (2, 6061570), (4, 3030785), (5, 2424628), (10, 1212314), (19, 638060), (20, 606157), (38, 319030), (61, 198740), (76, 159515), (95, 127612), (122, 99370), (190, 63806), (244, 49685), (305, 39748), (380, 31903), (523, 23180), (610, 19874), (1046, 11590), (1159, 10460), (1220, 9937), (2092, 5795), (2318, 5230), (2615, 4636)]