290486560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:387

約数の個数: 192

約数和(自身を含む): 859590144

約数和(自身を除く): 569103584

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 71, 80, 91, 104, 112, 130, 140, 142, 160, 182, 208, 224, 260, 280, 281, 284, 355, 364, 416, 455, 497, 520, 560, 562, 568, 710, 728, 910, 923, 994, 1040, 1120, 1124, 1136, 1405, 1420, 1456, 1820, 1846, 1967, 1988, 2080, 2248, 2272, 2485, 2810, 2840, 2912, 3640, 3653, 3692, 3934, 3976, 4496, 4615, 4970, 5620, 5680, 6461, 7280, 7306, 7384, 7868, 7952, 8992, 9230, 9835, 9940, 11240, 11360, 12922, 14560, 14612, 14768, 15736, 15904, 18265, 18460, 19670, 19880, 19951, 22480, 25571, 25844, 29224, 29536, 31472, 32305, 36530, 36920, 39340, 39760, 39902, 44960, 51142, 51688, 58448, 62944, 64610, 73060, 73840, 78680, 79520, 79804, 99755, 102284, 103376, 116896, 127855, 129220, 139657, 146120, 147680, 157360, 159608, 199510, 204568, 206752, 255710, 258440, 259363, 279314, 292240, 314720, 319216, 399020, 409136, 511420, 516880, 518726, 558628, 584480, 638432, 698285, 798040, 818272, 1022840, 1033760, 1037452, 1117256, 1296815, 1396570, 1596080, 1815541, 2045680, 2074904, 2234512, 2593630, 2793140, 3192160, 3631082, 4091360, 4149808, 4469024, 5187260, 5586280, 7262164, 8299616, 9077705, 10374520, 11172560, 14524328, 18155410, 20749040, 22345120, 29048656, 36310820, 41498080, 58097312, 72621640, 145243280, 290486560]

約数ペア:

[(1, 290486560), (2, 145243280), (4, 72621640), (5, 58097312), (7, 41498080), (8, 36310820), (10, 29048656), (13, 22345120), (14, 20749040), (16, 18155410), (20, 14524328), (26, 11172560), (28, 10374520), (32, 9077705), (35, 8299616), (40, 7262164), (52, 5586280), (56, 5187260), (65, 4469024), (70, 4149808), (71, 4091360), (80, 3631082), (91, 3192160), (104, 2793140), (112, 2593630), (130, 2234512), (140, 2074904), (142, 2045680), (160, 1815541), (182, 1596080), (208, 1396570), (224, 1296815), (260, 1117256), (280, 1037452), (281, 1033760), (284, 1022840), (355, 818272), (364, 798040), (416, 698285), (455, 638432), (497, 584480), (520, 558628), (560, 518726), (562, 516880), (568, 511420), (710, 409136), (728, 399020), (910, 319216), (923, 314720), (994, 292240), (1040, 279314), (1120, 259363), (1124, 258440), (1136, 255710), (1405, 206752), (1420, 204568), (1456, 199510), (1820, 159608), (1846, 157360), (1967, 147680), (1988, 146120), (2080, 139657), (2248, 129220), (2272, 127855), (2485, 116896), (2810, 103376), (2840, 102284), (2912, 99755), (3640, 79804), (3653, 79520), (3692, 78680), (3934, 73840), (3976, 73060), (4496, 64610), (4615, 62944), (4970, 58448), (5620, 51688), (5680, 51142), (6461, 44960), (7280, 39902), (7306, 39760), (7384, 39340), (7868, 36920), (7952, 36530), (8992, 32305), (9230, 31472), (9835, 29536), (9940, 29224), (11240, 25844), (11360, 25571), (12922, 22480), (14560, 19951), (14612, 19880), (14768, 19670), (15736, 18460), (15904, 18265)]