490409920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1531}}^1$

素因数の和:1579

約数の個数: 224

約数和(自身を含む): 1568964096

約数和(自身を除く): 1078554176

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 52, 55, 56, 64, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 160, 176, 182, 208, 220, 224, 260, 280, 286, 308, 320, 352, 364, 385, 416, 440, 448, 455, 520, 560, 572, 616, 704, 715, 728, 770, 832, 880, 910, 1001, 1040, 1120, 1144, 1232, 1430, 1456, 1531, 1540, 1760, 1820, 2002, 2080, 2240, 2288, 2464, 2860, 2912, 3062, 3080, 3520, 3640, 4004, 4160, 4576, 4928, 5005, 5720, 5824, 6124, 6160, 7280, 7655, 8008, 9152, 10010, 10717, 11440, 12248, 12320, 14560, 15310, 16016, 16841, 19903, 20020, 21434, 22880, 24496, 24640, 29120, 30620, 32032, 33682, 39806, 40040, 42868, 45760, 48992, 53585, 61240, 64064, 67364, 79612, 80080, 84205, 85736, 97984, 99515, 107170, 117887, 122480, 134728, 139321, 159224, 160160, 168410, 171472, 199030, 214340, 218933, 235774, 244960, 269456, 278642, 318448, 320320, 336820, 342944, 398060, 428680, 437866, 471548, 489920, 538912, 557284, 589435, 636896, 673640, 685888, 696605, 796120, 857360, 875732, 943096, 1077824, 1094665, 1114568, 1178870, 1273792, 1347280, 1393210, 1532531, 1592240, 1714720, 1751464, 1886192, 2189330, 2229136, 2357740, 2694560, 2786420, 3065062, 3184480, 3429440, 3502928, 3772384, 4378660, 4458272, 4715480, 5389120, 5572840, 6130124, 6368960, 7005856, 7544768, 7662655, 8757320, 8916544, 9430960, 11145680, 12260248, 14011712, 15325310, 17514640, 18861920, 22291360, 24520496, 30650620, 35029280, 37723840, 44582720, 49040992, 61301240, 70058560, 98081984, 122602480, 245204960, 490409920]

約数ペア:

[(1, 490409920), (2, 245204960), (4, 122602480), (5, 98081984), (7, 70058560), (8, 61301240), (10, 49040992), (11, 44582720), (13, 37723840), (14, 35029280), (16, 30650620), (20, 24520496), (22, 22291360), (26, 18861920), (28, 17514640), (32, 15325310), (35, 14011712), (40, 12260248), (44, 11145680), (52, 9430960), (55, 8916544), (56, 8757320), (64, 7662655), (65, 7544768), (70, 7005856), (77, 6368960), (80, 6130124), (88, 5572840), (91, 5389120), (104, 4715480), (110, 4458272), (112, 4378660), (130, 3772384), (140, 3502928), (143, 3429440), (154, 3184480), (160, 3065062), (176, 2786420), (182, 2694560), (208, 2357740), (220, 2229136), (224, 2189330), (260, 1886192), (280, 1751464), (286, 1714720), (308, 1592240), (320, 1532531), (352, 1393210), (364, 1347280), (385, 1273792), (416, 1178870), (440, 1114568), (448, 1094665), (455, 1077824), (520, 943096), (560, 875732), (572, 857360), (616, 796120), (704, 696605), (715, 685888), (728, 673640), (770, 636896), (832, 589435), (880, 557284), (910, 538912), (1001, 489920), (1040, 471548), (1120, 437866), (1144, 428680), (1232, 398060), (1430, 342944), (1456, 336820), (1531, 320320), (1540, 318448), (1760, 278642), (1820, 269456), (2002, 244960), (2080, 235774), (2240, 218933), (2288, 214340), (2464, 199030), (2860, 171472), (2912, 168410), (3062, 160160), (3080, 159224), (3520, 139321), (3640, 134728), (4004, 122480), (4160, 117887), (4576, 107170), (4928, 99515), (5005, 97984), (5720, 85736), (5824, 84205), (6124, 80080), (6160, 79612), (7280, 67364), (7655, 64064), (8008, 61240), (9152, 53585), (10010, 48992), (10717, 45760), (11440, 42868), (12248, 40040), (12320, 39806), (14560, 33682), (15310, 32032), (16016, 30620), (16841, 29120), (19903, 24640), (20020, 24496), (21434, 22880)]