209350960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:375

約数の個数: 160

約数和(自身を含む): 606211200

約数和(自身を除く): 396860240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 149, 182, 193, 208, 260, 280, 298, 364, 386, 455, 520, 560, 596, 728, 745, 772, 910, 965, 1040, 1043, 1192, 1351, 1456, 1490, 1544, 1820, 1930, 1937, 2086, 2384, 2509, 2702, 2980, 3088, 3640, 3860, 3874, 4172, 5018, 5215, 5404, 5960, 6755, 7280, 7720, 7748, 8344, 9685, 10036, 10430, 10808, 11920, 12545, 13510, 13559, 15440, 15496, 16688, 17563, 19370, 20072, 20860, 21616, 25090, 27020, 27118, 28757, 30992, 35126, 38740, 40144, 41720, 50180, 54040, 54236, 57514, 67795, 70252, 77480, 83440, 87815, 100360, 108080, 108472, 115028, 135590, 140504, 143785, 154960, 175630, 200720, 201299, 216944, 230056, 271180, 281008, 287570, 351260, 373841, 402598, 460112, 542360, 575140, 702520, 747682, 805196, 1006495, 1084720, 1150280, 1405040, 1495364, 1610392, 1869205, 2012990, 2300560, 2616887, 2990728, 3220784, 3738410, 4025980, 5233774, 5981456, 7476820, 8051960, 10467548, 13084435, 14953640, 16103920, 20935096, 26168870, 29907280, 41870192, 52337740, 104675480, 209350960]

約数ペア:

[(1, 209350960), (2, 104675480), (4, 52337740), (5, 41870192), (7, 29907280), (8, 26168870), (10, 20935096), (13, 16103920), (14, 14953640), (16, 13084435), (20, 10467548), (26, 8051960), (28, 7476820), (35, 5981456), (40, 5233774), (52, 4025980), (56, 3738410), (65, 3220784), (70, 2990728), (80, 2616887), (91, 2300560), (104, 2012990), (112, 1869205), (130, 1610392), (140, 1495364), (149, 1405040), (182, 1150280), (193, 1084720), (208, 1006495), (260, 805196), (280, 747682), (298, 702520), (364, 575140), (386, 542360), (455, 460112), (520, 402598), (560, 373841), (596, 351260), (728, 287570), (745, 281008), (772, 271180), (910, 230056), (965, 216944), (1040, 201299), (1043, 200720), (1192, 175630), (1351, 154960), (1456, 143785), (1490, 140504), (1544, 135590), (1820, 115028), (1930, 108472), (1937, 108080), (2086, 100360), (2384, 87815), (2509, 83440), (2702, 77480), (2980, 70252), (3088, 67795), (3640, 57514), (3860, 54236), (3874, 54040), (4172, 50180), (5018, 41720), (5215, 40144), (5404, 38740), (5960, 35126), (6755, 30992), (7280, 28757), (7720, 27118), (7748, 27020), (8344, 25090), (9685, 21616), (10036, 20860), (10430, 20072), (10808, 19370), (11920, 17563), (12545, 16688), (13510, 15496), (13559, 15440)]