3907820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 9504768

約数和(自身を除く): 5596948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 271, 412, 515, 542, 721, 1030, 1084, 1355, 1442, 1897, 2060, 2710, 2884, 3605, 3794, 5420, 7210, 7588, 9485, 14420, 18970, 27913, 37940, 55826, 111652, 139565, 195391, 279130, 390782, 558260, 781564, 976955, 1953910, 3907820]

約数ペア:

[(1, 3907820), (2, 1953910), (4, 976955), (5, 781564), (7, 558260), (10, 390782), (14, 279130), (20, 195391), (28, 139565), (35, 111652), (70, 55826), (103, 37940), (140, 27913), (206, 18970), (271, 14420), (412, 9485), (515, 7588), (542, 7210), (721, 5420), (1030, 3794), (1084, 3605), (1355, 2884), (1442, 2710), (1897, 2060)]