209347320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1009}}^1$

素因数の和:1062

約数の個数: 256

約数和(自身を含む): 814464000

約数和(自身を除く): 605116680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 52, 56, 57, 60, 65, 70, 76, 78, 84, 91, 95, 104, 105, 114, 120, 130, 133, 140, 152, 156, 168, 182, 190, 195, 210, 228, 247, 260, 266, 273, 280, 285, 312, 364, 380, 390, 399, 420, 455, 456, 494, 520, 532, 546, 570, 665, 728, 741, 760, 780, 798, 840, 910, 988, 1009, 1064, 1092, 1140, 1235, 1330, 1365, 1482, 1560, 1596, 1729, 1820, 1976, 1995, 2018, 2184, 2280, 2470, 2660, 2730, 2964, 3027, 3192, 3458, 3640, 3705, 3990, 4036, 4940, 5045, 5187, 5320, 5460, 5928, 6054, 6916, 7063, 7410, 7980, 8072, 8645, 9880, 10090, 10374, 10920, 12108, 13117, 13832, 14126, 14820, 15135, 15960, 17290, 19171, 20180, 20748, 21189, 24216, 25935, 26234, 28252, 29640, 30270, 34580, 35315, 38342, 39351, 40360, 41496, 42378, 51870, 52468, 56504, 57513, 60540, 65585, 69160, 70630, 76684, 78702, 84756, 91819, 95855, 103740, 104936, 105945, 115026, 121080, 131170, 134197, 141260, 153368, 157404, 169512, 183638, 191710, 196755, 207480, 211890, 230052, 249223, 262340, 268394, 275457, 282520, 287565, 314808, 367276, 383420, 393510, 402591, 423780, 459095, 460104, 498446, 524680, 536788, 550914, 575130, 670985, 734552, 747669, 766840, 787020, 805182, 847560, 918190, 996892, 1073576, 1101828, 1150260, 1246115, 1341970, 1377285, 1495338, 1574040, 1610364, 1744561, 1836380, 1993784, 2012955, 2203656, 2300520, 2492230, 2683940, 2754570, 2990676, 3220728, 3489122, 3672760, 3738345, 4025910, 4984460, 5233683, 5367880, 5509140, 5981352, 6978244, 7476690, 8051820, 8722805, 9968920, 10467366, 11018280, 13956488, 14953380, 16103640, 17445610, 20934732, 26168415, 29906760, 34891220, 41869464, 52336830, 69782440, 104673660, 209347320]

約数ペア:

[(1, 209347320), (2, 104673660), (3, 69782440), (4, 52336830), (5, 41869464), (6, 34891220), (7, 29906760), (8, 26168415), (10, 20934732), (12, 17445610), (13, 16103640), (14, 14953380), (15, 13956488), (19, 11018280), (20, 10467366), (21, 9968920), (24, 8722805), (26, 8051820), (28, 7476690), (30, 6978244), (35, 5981352), (38, 5509140), (39, 5367880), (40, 5233683), (42, 4984460), (52, 4025910), (56, 3738345), (57, 3672760), (60, 3489122), (65, 3220728), (70, 2990676), (76, 2754570), (78, 2683940), (84, 2492230), (91, 2300520), (95, 2203656), (104, 2012955), (105, 1993784), (114, 1836380), (120, 1744561), (130, 1610364), (133, 1574040), (140, 1495338), (152, 1377285), (156, 1341970), (168, 1246115), (182, 1150260), (190, 1101828), (195, 1073576), (210, 996892), (228, 918190), (247, 847560), (260, 805182), (266, 787020), (273, 766840), (280, 747669), (285, 734552), (312, 670985), (364, 575130), (380, 550914), (390, 536788), (399, 524680), (420, 498446), (455, 460104), (456, 459095), (494, 423780), (520, 402591), (532, 393510), (546, 383420), (570, 367276), (665, 314808), (728, 287565), (741, 282520), (760, 275457), (780, 268394), (798, 262340), (840, 249223), (910, 230052), (988, 211890), (1009, 207480), (1064, 196755), (1092, 191710), (1140, 183638), (1235, 169512), (1330, 157404), (1365, 153368), (1482, 141260), (1560, 134197), (1596, 131170), (1729, 121080), (1820, 115026), (1976, 105945), (1995, 104936), (2018, 103740), (2184, 95855), (2280, 91819), (2470, 84756), (2660, 78702), (2730, 76684), (2964, 70630), (3027, 69160), (3192, 65585), (3458, 60540), (3640, 57513), (3705, 56504), (3990, 52468), (4036, 51870), (4940, 42378), (5045, 41496), (5187, 40360), (5320, 39351), (5460, 38342), (5928, 35315), (6054, 34580), (6916, 30270), (7063, 29640), (7410, 28252), (7980, 26234), (8072, 25935), (8645, 24216), (9880, 21189), (10090, 20748), (10374, 20180), (10920, 19171), (12108, 17290), (13117, 15960), (13832, 15135), (14126, 14820)]