8700440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 23885280

約数和(自身を除く): 15184840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 49, 56, 70, 92, 98, 115, 140, 161, 184, 193, 196, 230, 245, 280, 322, 386, 392, 460, 490, 644, 772, 805, 920, 965, 980, 1127, 1288, 1351, 1544, 1610, 1930, 1960, 2254, 2702, 3220, 3860, 4439, 4508, 5404, 5635, 6440, 6755, 7720, 8878, 9016, 9457, 10808, 11270, 13510, 17756, 18914, 22195, 22540, 27020, 31073, 35512, 37828, 44390, 45080, 47285, 54040, 62146, 75656, 88780, 94570, 124292, 155365, 177560, 189140, 217511, 248584, 310730, 378280, 435022, 621460, 870044, 1087555, 1242920, 1740088, 2175110, 4350220, 8700440]

約数ペア:

[(1, 8700440), (2, 4350220), (4, 2175110), (5, 1740088), (7, 1242920), (8, 1087555), (10, 870044), (14, 621460), (20, 435022), (23, 378280), (28, 310730), (35, 248584), (40, 217511), (46, 189140), (49, 177560), (56, 155365), (70, 124292), (92, 94570), (98, 88780), (115, 75656), (140, 62146), (161, 54040), (184, 47285), (193, 45080), (196, 44390), (230, 37828), (245, 35512), (280, 31073), (322, 27020), (386, 22540), (392, 22195), (460, 18914), (490, 17756), (644, 13510), (772, 11270), (805, 10808), (920, 9457), (965, 9016), (980, 8878), (1127, 7720), (1288, 6755), (1351, 6440), (1544, 5635), (1610, 5404), (1930, 4508), (1960, 4439), (2254, 3860), (2702, 3220)]