51429560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:301

約数の個数: 128

約数和(自身を含む): 145152000

約数和(自身を除く): 93722440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 91, 104, 130, 140, 142, 182, 199, 260, 280, 284, 355, 364, 398, 455, 497, 520, 568, 710, 728, 796, 910, 923, 994, 995, 1393, 1420, 1592, 1820, 1846, 1988, 1990, 2485, 2587, 2786, 2840, 3640, 3692, 3976, 3980, 4615, 4970, 5174, 5572, 6461, 6965, 7384, 7960, 9230, 9940, 10348, 11144, 12922, 12935, 13930, 14129, 18109, 18460, 19880, 20696, 25844, 25870, 27860, 28258, 32305, 36218, 36920, 51688, 51740, 55720, 56516, 64610, 70645, 72436, 90545, 98903, 103480, 113032, 129220, 141290, 144872, 181090, 183677, 197806, 258440, 282580, 362180, 367354, 395612, 494515, 565160, 724360, 734708, 791224, 918385, 989030, 1285739, 1469416, 1836770, 1978060, 2571478, 3673540, 3956120, 5142956, 6428695, 7347080, 10285912, 12857390, 25714780, 51429560]

約数ペア:

[(1, 51429560), (2, 25714780), (4, 12857390), (5, 10285912), (7, 7347080), (8, 6428695), (10, 5142956), (13, 3956120), (14, 3673540), (20, 2571478), (26, 1978060), (28, 1836770), (35, 1469416), (40, 1285739), (52, 989030), (56, 918385), (65, 791224), (70, 734708), (71, 724360), (91, 565160), (104, 494515), (130, 395612), (140, 367354), (142, 362180), (182, 282580), (199, 258440), (260, 197806), (280, 183677), (284, 181090), (355, 144872), (364, 141290), (398, 129220), (455, 113032), (497, 103480), (520, 98903), (568, 90545), (710, 72436), (728, 70645), (796, 64610), (910, 56516), (923, 55720), (994, 51740), (995, 51688), (1393, 36920), (1420, 36218), (1592, 32305), (1820, 28258), (1846, 27860), (1988, 25870), (1990, 25844), (2485, 20696), (2587, 19880), (2786, 18460), (2840, 18109), (3640, 14129), (3692, 13930), (3976, 12935), (3980, 12922), (4615, 11144), (4970, 10348), (5174, 9940), (5572, 9230), (6461, 7960), (6965, 7384)]