491417080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1050

約数の個数: 192

約数和(自身を含む): 1465620480

約数和(自身を除く): 974203400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 49, 55, 56, 70, 77, 88, 92, 98, 110, 115, 140, 154, 161, 184, 196, 220, 230, 245, 253, 280, 308, 322, 385, 392, 440, 460, 490, 506, 539, 616, 644, 770, 805, 920, 980, 991, 1012, 1078, 1127, 1265, 1288, 1540, 1610, 1771, 1960, 1982, 2024, 2156, 2254, 2530, 2695, 3080, 3220, 3542, 3964, 4312, 4508, 4955, 5060, 5390, 5635, 6440, 6937, 7084, 7928, 8855, 9016, 9910, 10120, 10780, 10901, 11270, 12397, 13874, 14168, 17710, 19820, 21560, 21802, 22540, 22793, 24794, 27748, 34685, 35420, 39640, 43604, 45080, 45586, 48559, 49588, 54505, 55496, 61985, 69370, 70840, 76307, 87208, 91172, 97118, 99176, 109010, 113965, 123970, 138740, 152614, 159551, 182344, 194236, 218020, 227930, 242795, 247940, 250723, 277480, 305228, 319102, 381535, 388472, 436040, 455860, 485590, 495880, 501446, 534149, 610456, 638204, 763070, 797755, 911720, 971180, 1002892, 1068298, 1116857, 1253615, 1276408, 1526140, 1595510, 1755061, 1942360, 2005784, 2136596, 2233714, 2507230, 2670745, 3052280, 3191020, 3510122, 4273192, 4467428, 5014460, 5341490, 5584285, 6382040, 7020244, 8775305, 8934856, 10028920, 10682980, 11168570, 12285427, 14040488, 17550610, 21365960, 22337140, 24570854, 35101220, 44674280, 49141708, 61427135, 70202440, 98283416, 122854270, 245708540, 491417080]

約数ペア:

[(1, 491417080), (2, 245708540), (4, 122854270), (5, 98283416), (7, 70202440), (8, 61427135), (10, 49141708), (11, 44674280), (14, 35101220), (20, 24570854), (22, 22337140), (23, 21365960), (28, 17550610), (35, 14040488), (40, 12285427), (44, 11168570), (46, 10682980), (49, 10028920), (55, 8934856), (56, 8775305), (70, 7020244), (77, 6382040), (88, 5584285), (92, 5341490), (98, 5014460), (110, 4467428), (115, 4273192), (140, 3510122), (154, 3191020), (161, 3052280), (184, 2670745), (196, 2507230), (220, 2233714), (230, 2136596), (245, 2005784), (253, 1942360), (280, 1755061), (308, 1595510), (322, 1526140), (385, 1276408), (392, 1253615), (440, 1116857), (460, 1068298), (490, 1002892), (506, 971180), (539, 911720), (616, 797755), (644, 763070), (770, 638204), (805, 610456), (920, 534149), (980, 501446), (991, 495880), (1012, 485590), (1078, 455860), (1127, 436040), (1265, 388472), (1288, 381535), (1540, 319102), (1610, 305228), (1771, 277480), (1960, 250723), (1982, 247940), (2024, 242795), (2156, 227930), (2254, 218020), (2530, 194236), (2695, 182344), (3080, 159551), (3220, 152614), (3542, 138740), (3964, 123970), (4312, 113965), (4508, 109010), (4955, 99176), (5060, 97118), (5390, 91172), (5635, 87208), (6440, 76307), (6937, 70840), (7084, 69370), (7928, 61985), (8855, 55496), (9016, 54505), (9910, 49588), (10120, 48559), (10780, 45586), (10901, 45080), (11270, 43604), (12397, 39640), (13874, 35420), (14168, 34685), (17710, 27748), (19820, 24794), (21560, 22793), (21802, 22540)]