2010679990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{18671}}^1$

素因数の和:18789

約数の個数: 48

約数和(自身を含む): 4023069120

約数和(自身を除く): 2012389130

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 121, 178, 242, 445, 605, 890, 979, 1210, 1958, 4895, 9790, 10769, 18671, 21538, 37342, 53845, 93355, 107690, 186710, 205381, 410762, 1026905, 1661719, 2053810, 2259191, 3323438, 4518382, 8308595, 11295955, 16617190, 18278909, 22591910, 36557818, 91394545, 182789090, 201067999, 402135998, 1005339995, 2010679990]

約数ペア:

[(1, 2010679990), (2, 1005339995), (5, 402135998), (10, 201067999), (11, 182789090), (22, 91394545), (55, 36557818), (89, 22591910), (110, 18278909), (121, 16617190), (178, 11295955), (242, 8308595), (445, 4518382), (605, 3323438), (890, 2259191), (979, 2053810), (1210, 1661719), (1958, 1026905), (4895, 410762), (9790, 205381), (10769, 186710), (18671, 107690), (21538, 93355), (37342, 53845)]