140559440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1559}}^1$

素因数の和:1609

約数の個数: 120

約数和(自身を含む): 396938880

約数和(自身を除く): 256379440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 161, 184, 196, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 784, 805, 920, 980, 1127, 1288, 1559, 1610, 1840, 1960, 2254, 2576, 3118, 3220, 3920, 4508, 5635, 6236, 6440, 7795, 9016, 10913, 11270, 12472, 12880, 15590, 18032, 21826, 22540, 24944, 31180, 35857, 43652, 45080, 54565, 62360, 71714, 76391, 87304, 90160, 109130, 124720, 143428, 152782, 174608, 179285, 218260, 250999, 286856, 305564, 358570, 381955, 436520, 501998, 573712, 611128, 717140, 763910, 873040, 1003996, 1222256, 1254995, 1434280, 1527820, 1756993, 2007992, 2509990, 2868560, 3055640, 3513986, 4015984, 5019980, 6111280, 7027972, 8784965, 10039960, 14055944, 17569930, 20079920, 28111888, 35139860, 70279720, 140559440]

約数ペア:

[(1, 140559440), (2, 70279720), (4, 35139860), (5, 28111888), (7, 20079920), (8, 17569930), (10, 14055944), (14, 10039960), (16, 8784965), (20, 7027972), (23, 6111280), (28, 5019980), (35, 4015984), (40, 3513986), (46, 3055640), (49, 2868560), (56, 2509990), (70, 2007992), (80, 1756993), (92, 1527820), (98, 1434280), (112, 1254995), (115, 1222256), (140, 1003996), (161, 873040), (184, 763910), (196, 717140), (230, 611128), (245, 573712), (280, 501998), (322, 436520), (368, 381955), (392, 358570), (460, 305564), (490, 286856), (560, 250999), (644, 218260), (784, 179285), (805, 174608), (920, 152782), (980, 143428), (1127, 124720), (1288, 109130), (1559, 90160), (1610, 87304), (1840, 76391), (1960, 71714), (2254, 62360), (2576, 54565), (3118, 45080), (3220, 43652), (3920, 35857), (4508, 31180), (5635, 24944), (6236, 22540), (6440, 21826), (7795, 18032), (9016, 15590), (10913, 12880), (11270, 12472)]