3705940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 9015552

約数和(自身を除く): 5309612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 257, 412, 514, 515, 721, 1028, 1030, 1285, 1442, 1799, 2060, 2570, 2884, 3598, 3605, 5140, 7196, 7210, 8995, 14420, 17990, 26471, 35980, 52942, 105884, 132355, 185297, 264710, 370594, 529420, 741188, 926485, 1852970, 3705940]

約数ペア:

[(1, 3705940), (2, 1852970), (4, 926485), (5, 741188), (7, 529420), (10, 370594), (14, 264710), (20, 185297), (28, 132355), (35, 105884), (70, 52942), (103, 35980), (140, 26471), (206, 17990), (257, 14420), (412, 8995), (514, 7210), (515, 7196), (721, 5140), (1028, 3605), (1030, 3598), (1285, 2884), (1442, 2570), (1799, 2060)]