86847460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{21391}}^1$

素因数の和:21436

約数の個数: 48

約数和(自身を含む): 215631360

約数和(自身を除く): 128783900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 21391, 42782, 85564, 106955, 149737, 213910, 299474, 427820, 598948, 620339, 748685, 1240678, 1497370, 2481356, 2994740, 3101695, 4342373, 6203390, 8684746, 12406780, 17369492, 21711865, 43423730, 86847460]

約数ペア:

[(1, 86847460), (2, 43423730), (4, 21711865), (5, 17369492), (7, 12406780), (10, 8684746), (14, 6203390), (20, 4342373), (28, 3101695), (29, 2994740), (35, 2481356), (58, 1497370), (70, 1240678), (116, 748685), (140, 620339), (145, 598948), (203, 427820), (290, 299474), (406, 213910), (580, 149737), (812, 106955), (1015, 85564), (2030, 42782), (4060, 21391)]