2118800740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{23537}}^1$

素因数の和:24196

約数の個数: 48

約数和(自身を含む): 5093246592

約数和(自身を除く): 2974445852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 643, 1286, 2572, 3215, 4501, 6430, 9002, 12860, 18004, 22505, 23537, 45010, 47074, 90020, 94148, 117685, 164759, 235370, 329518, 470740, 659036, 823795, 1647590, 3295180, 15134291, 30268582, 60537164, 75671455, 105940037, 151342910, 211880074, 302685820, 423760148, 529700185, 1059400370, 2118800740]

約数ペア:

[(1, 2118800740), (2, 1059400370), (4, 529700185), (5, 423760148), (7, 302685820), (10, 211880074), (14, 151342910), (20, 105940037), (28, 75671455), (35, 60537164), (70, 30268582), (140, 15134291), (643, 3295180), (1286, 1647590), (2572, 823795), (3215, 659036), (4501, 470740), (6430, 329518), (9002, 235370), (12860, 164759), (18004, 117685), (22505, 94148), (23537, 90020), (45010, 47074)]