380476740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{905897}}^1$

素因数の和:905916

約数の個数: 48

約数和(自身を含む): 1217526912

約数和(自身を除く): 837050172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 905897, 1811794, 2717691, 3623588, 4529485, 5435382, 6341279, 9058970, 10870764, 12682558, 13588455, 18117940, 19023837, 25365116, 27176910, 31706395, 38047674, 54353820, 63412790, 76095348, 95119185, 126825580, 190238370, 380476740]

約数ペア:

[(1, 380476740), (2, 190238370), (3, 126825580), (4, 95119185), (5, 76095348), (6, 63412790), (7, 54353820), (10, 38047674), (12, 31706395), (14, 27176910), (15, 25365116), (20, 19023837), (21, 18117940), (28, 13588455), (30, 12682558), (35, 10870764), (42, 9058970), (60, 6341279), (70, 5435382), (84, 4529485), (105, 3623588), (140, 2717691), (210, 1811794), (420, 905897)]