199716400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:423

約数の個数: 120

約数和(自身を含む): 522015200

約数和(自身を除く): 322298800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 193, 199, 200, 208, 260, 325, 386, 398, 400, 520, 650, 772, 796, 965, 995, 1040, 1300, 1544, 1592, 1930, 1990, 2509, 2587, 2600, 3088, 3184, 3860, 3980, 4825, 4975, 5018, 5174, 5200, 7720, 7960, 9650, 9950, 10036, 10348, 12545, 12935, 15440, 15920, 19300, 19900, 20072, 20696, 25090, 25870, 38407, 38600, 39800, 40144, 41392, 50180, 51740, 62725, 64675, 76814, 77200, 79600, 100360, 103480, 125450, 129350, 153628, 192035, 200720, 206960, 250900, 258700, 307256, 384070, 499291, 501800, 517400, 614512, 768140, 960175, 998582, 1003600, 1034800, 1536280, 1920350, 1997164, 2496455, 3072560, 3840700, 3994328, 4992910, 7681400, 7988656, 9985820, 12482275, 15362800, 19971640, 24964550, 39943280, 49929100, 99858200, 199716400]

約数ペア:

[(1, 199716400), (2, 99858200), (4, 49929100), (5, 39943280), (8, 24964550), (10, 19971640), (13, 15362800), (16, 12482275), (20, 9985820), (25, 7988656), (26, 7681400), (40, 4992910), (50, 3994328), (52, 3840700), (65, 3072560), (80, 2496455), (100, 1997164), (104, 1920350), (130, 1536280), (193, 1034800), (199, 1003600), (200, 998582), (208, 960175), (260, 768140), (325, 614512), (386, 517400), (398, 501800), (400, 499291), (520, 384070), (650, 307256), (772, 258700), (796, 250900), (965, 206960), (995, 200720), (1040, 192035), (1300, 153628), (1544, 129350), (1592, 125450), (1930, 103480), (1990, 100360), (2509, 79600), (2587, 77200), (2600, 76814), (3088, 64675), (3184, 62725), (3860, 51740), (3980, 50180), (4825, 41392), (4975, 40144), (5018, 39800), (5174, 38600), (5200, 38407), (7720, 25870), (7960, 25090), (9650, 20696), (9950, 20072), (10036, 19900), (10348, 19300), (12545, 15920), (12935, 15440)]