28243180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3011}}^1$

素因数の和:3094

約数の個数: 48

約数和(自身を含む): 68818176

約数和(自身を除く): 40574996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 3011, 4690, 6022, 9380, 12044, 15055, 21077, 30110, 42154, 60220, 84308, 105385, 201737, 210770, 403474, 421540, 806948, 1008685, 1412159, 2017370, 2824318, 4034740, 5648636, 7060795, 14121590, 28243180]

約数ペア:

[(1, 28243180), (2, 14121590), (4, 7060795), (5, 5648636), (7, 4034740), (10, 2824318), (14, 2017370), (20, 1412159), (28, 1008685), (35, 806948), (67, 421540), (70, 403474), (134, 210770), (140, 201737), (268, 105385), (335, 84308), (469, 60220), (670, 42154), (938, 30110), (1340, 21077), (1876, 15055), (2345, 12044), (3011, 9380), (4690, 6022)]