2518888901780

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1697}}^1\times {\mathrm{90397}}^1$

素因数の和:92924

約数の個数: 48

約数和(自身を含む): 5299289137296

約数和(自身を除く): 2780400235516

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 1697, 3284, 3394, 4105, 6788, 8210, 8485, 16420, 16970, 33940, 90397, 180794, 361588, 451985, 903970, 1393237, 1807940, 2786474, 5572948, 6966185, 13932370, 27864740, 74215937, 148431874, 153403709, 296863748, 306807418, 371079685, 613614836, 742159370, 767018545, 1484318740, 1534037090, 3068074180, 125944445089, 251888890178, 503777780356, 629722225445, 1259444450890, 2518888901780]

約数ペア:

[(1, 2518888901780), (2, 1259444450890), (4, 629722225445), (5, 503777780356), (10, 251888890178), (20, 125944445089), (821, 3068074180), (1642, 1534037090), (1697, 1484318740), (3284, 767018545), (3394, 742159370), (4105, 613614836), (6788, 371079685), (8210, 306807418), (8485, 296863748), (16420, 153403709), (16970, 148431874), (33940, 74215937), (90397, 27864740), (180794, 13932370), (361588, 6966185), (451985, 5572948), (903970, 2786474), (1393237, 1807940)]