1686820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 3911040

約数和(自身を除く): 2224220

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 193, 230, 380, 386, 437, 460, 772, 874, 965, 1748, 1930, 2185, 3667, 3860, 4370, 4439, 7334, 8740, 8878, 14668, 17756, 18335, 22195, 36670, 44390, 73340, 84341, 88780, 168682, 337364, 421705, 843410, 1686820]

約数ペア:

[(1, 1686820), (2, 843410), (4, 421705), (5, 337364), (10, 168682), (19, 88780), (20, 84341), (23, 73340), (38, 44390), (46, 36670), (76, 22195), (92, 18335), (95, 17756), (115, 14668), (190, 8878), (193, 8740), (230, 7334), (380, 4439), (386, 4370), (437, 3860), (460, 3667), (772, 2185), (874, 1930), (965, 1748)]