209375440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:221

約数の個数: 160

約数和(自身を含む): 549607680

約数和(自身を除く): 340232240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 53, 76, 80, 92, 95, 106, 113, 115, 152, 184, 190, 212, 226, 230, 265, 304, 368, 380, 424, 437, 452, 460, 530, 565, 760, 848, 874, 904, 920, 1007, 1060, 1130, 1219, 1520, 1748, 1808, 1840, 2014, 2120, 2147, 2185, 2260, 2438, 2599, 3496, 4028, 4240, 4294, 4370, 4520, 4876, 5035, 5198, 5989, 6095, 6992, 8056, 8588, 8740, 9040, 9752, 10070, 10396, 10735, 11978, 12190, 12995, 16112, 17176, 17480, 19504, 20140, 20792, 21470, 23161, 23956, 24380, 25990, 29945, 34352, 34960, 40280, 41584, 42940, 46322, 47912, 48760, 49381, 51980, 59890, 80560, 85880, 92644, 95824, 97520, 98762, 103960, 113791, 115805, 119780, 137747, 171760, 185288, 197524, 207920, 227582, 231610, 239560, 246905, 275494, 370576, 395048, 455164, 463220, 479120, 493810, 550988, 568955, 688735, 790096, 910328, 926440, 987620, 1101976, 1137910, 1377470, 1820656, 1852880, 1975240, 2203952, 2275820, 2617193, 2754940, 3950480, 4551640, 5234386, 5509880, 9103280, 10468772, 11019760, 13085965, 20937544, 26171930, 41875088, 52343860, 104687720, 209375440]

約数ペア:

[(1, 209375440), (2, 104687720), (4, 52343860), (5, 41875088), (8, 26171930), (10, 20937544), (16, 13085965), (19, 11019760), (20, 10468772), (23, 9103280), (38, 5509880), (40, 5234386), (46, 4551640), (53, 3950480), (76, 2754940), (80, 2617193), (92, 2275820), (95, 2203952), (106, 1975240), (113, 1852880), (115, 1820656), (152, 1377470), (184, 1137910), (190, 1101976), (212, 987620), (226, 926440), (230, 910328), (265, 790096), (304, 688735), (368, 568955), (380, 550988), (424, 493810), (437, 479120), (452, 463220), (460, 455164), (530, 395048), (565, 370576), (760, 275494), (848, 246905), (874, 239560), (904, 231610), (920, 227582), (1007, 207920), (1060, 197524), (1130, 185288), (1219, 171760), (1520, 137747), (1748, 119780), (1808, 115805), (1840, 113791), (2014, 103960), (2120, 98762), (2147, 97520), (2185, 95824), (2260, 92644), (2438, 85880), (2599, 80560), (3496, 59890), (4028, 51980), (4240, 49381), (4294, 48760), (4370, 47912), (4520, 46322), (4876, 42940), (5035, 41584), (5198, 40280), (5989, 34960), (6095, 34352), (6992, 29945), (8056, 25990), (8588, 24380), (8740, 23956), (9040, 23161), (9752, 21470), (10070, 20792), (10396, 20140), (10735, 19504), (11978, 17480), (12190, 17176), (12995, 16112)]