2009096780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{15601}}^1$

素因数の和:15794

約数の個数: 48

約数和(自身を含む): 4340601216

約数和(自身を除く): 2331504436

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 137, 188, 235, 274, 470, 548, 685, 940, 1370, 2740, 6439, 12878, 15601, 25756, 31202, 32195, 62404, 64390, 78005, 128780, 156010, 312020, 733247, 1466494, 2137337, 2932988, 3666235, 4274674, 7332470, 8549348, 10686685, 14664940, 21373370, 42746740, 100454839, 200909678, 401819356, 502274195, 1004548390, 2009096780]

約数ペア:

[(1, 2009096780), (2, 1004548390), (4, 502274195), (5, 401819356), (10, 200909678), (20, 100454839), (47, 42746740), (94, 21373370), (137, 14664940), (188, 10686685), (235, 8549348), (274, 7332470), (470, 4274674), (548, 3666235), (685, 2932988), (940, 2137337), (1370, 1466494), (2740, 733247), (6439, 312020), (12878, 156010), (15601, 128780), (25756, 78005), (31202, 64390), (32195, 62404)]