2540720286

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{72871}}^1$

素因数の和:73041

約数の個数: 48

約数和(自身を含む): 5968216800

約数和(自身を除く): 3427496514

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 149, 234, 298, 447, 894, 1341, 1937, 2682, 3874, 5811, 11622, 17433, 34866, 72871, 145742, 218613, 437226, 655839, 947323, 1311678, 1894646, 2841969, 5683938, 8525907, 10857779, 17051814, 21715558, 32573337, 65146674, 97720011, 141151127, 195440022, 282302254, 423453381, 846906762, 1270360143, 2540720286]

約数ペア:

[(1, 2540720286), (2, 1270360143), (3, 846906762), (6, 423453381), (9, 282302254), (13, 195440022), (18, 141151127), (26, 97720011), (39, 65146674), (78, 32573337), (117, 21715558), (149, 17051814), (234, 10857779), (298, 8525907), (447, 5683938), (894, 2841969), (1341, 1894646), (1937, 1311678), (2682, 947323), (3874, 655839), (5811, 437226), (11622, 218613), (17433, 145742), (34866, 72871)]