209693120

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:435

約数の個数: 224

約数和(自身を含む): 648614400

約数和(自身を除く): 438921280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 32, 35, 38, 40, 52, 56, 64, 65, 70, 76, 80, 91, 95, 104, 112, 130, 133, 140, 152, 160, 182, 190, 208, 224, 247, 260, 266, 280, 304, 320, 364, 379, 380, 416, 448, 455, 494, 520, 532, 560, 608, 665, 728, 758, 760, 832, 910, 988, 1040, 1064, 1120, 1216, 1235, 1330, 1456, 1516, 1520, 1729, 1820, 1895, 1976, 2080, 2128, 2240, 2470, 2653, 2660, 2912, 3032, 3040, 3458, 3640, 3790, 3952, 4160, 4256, 4927, 4940, 5306, 5320, 5824, 6064, 6080, 6916, 7201, 7280, 7580, 7904, 8512, 8645, 9854, 9880, 10612, 10640, 12128, 13265, 13832, 14402, 14560, 15160, 15808, 17290, 19708, 19760, 21224, 21280, 24256, 24635, 26530, 27664, 28804, 29120, 30320, 34489, 34580, 36005, 39416, 39520, 42448, 42560, 49270, 50407, 53060, 55328, 57608, 60640, 68978, 69160, 72010, 78832, 79040, 84896, 93613, 98540, 100814, 106120, 110656, 115216, 121280, 137956, 138320, 144020, 157664, 169792, 172445, 187226, 197080, 201628, 212240, 230432, 252035, 275912, 276640, 288040, 315328, 344890, 374452, 394160, 403256, 424480, 460864, 468065, 504070, 551824, 553280, 576080, 655291, 689780, 748904, 788320, 806512, 848960, 936130, 1008140, 1103648, 1152160, 1310582, 1379560, 1497808, 1576640, 1613024, 1872260, 2016280, 2207296, 2304320, 2621164, 2759120, 2995616, 3226048, 3276455, 3744520, 4032560, 5242328, 5518240, 5991232, 6552910, 7489040, 8065120, 10484656, 11036480, 13105820, 14978080, 16130240, 20969312, 26211640, 29956160, 41938624, 52423280, 104846560, 209693120]

約数ペア:

[(1, 209693120), (2, 104846560), (4, 52423280), (5, 41938624), (7, 29956160), (8, 26211640), (10, 20969312), (13, 16130240), (14, 14978080), (16, 13105820), (19, 11036480), (20, 10484656), (26, 8065120), (28, 7489040), (32, 6552910), (35, 5991232), (38, 5518240), (40, 5242328), (52, 4032560), (56, 3744520), (64, 3276455), (65, 3226048), (70, 2995616), (76, 2759120), (80, 2621164), (91, 2304320), (95, 2207296), (104, 2016280), (112, 1872260), (130, 1613024), (133, 1576640), (140, 1497808), (152, 1379560), (160, 1310582), (182, 1152160), (190, 1103648), (208, 1008140), (224, 936130), (247, 848960), (260, 806512), (266, 788320), (280, 748904), (304, 689780), (320, 655291), (364, 576080), (379, 553280), (380, 551824), (416, 504070), (448, 468065), (455, 460864), (494, 424480), (520, 403256), (532, 394160), (560, 374452), (608, 344890), (665, 315328), (728, 288040), (758, 276640), (760, 275912), (832, 252035), (910, 230432), (988, 212240), (1040, 201628), (1064, 197080), (1120, 187226), (1216, 172445), (1235, 169792), (1330, 157664), (1456, 144020), (1516, 138320), (1520, 137956), (1729, 121280), (1820, 115216), (1895, 110656), (1976, 106120), (2080, 100814), (2128, 98540), (2240, 93613), (2470, 84896), (2653, 79040), (2660, 78832), (2912, 72010), (3032, 69160), (3040, 68978), (3458, 60640), (3640, 57608), (3790, 55328), (3952, 53060), (4160, 50407), (4256, 49270), (4927, 42560), (4940, 42448), (5306, 39520), (5320, 39416), (5824, 36005), (6064, 34580), (6080, 34489), (6916, 30320), (7201, 29120), (7280, 28804), (7580, 27664), (7904, 26530), (8512, 24635), (8645, 24256), (9854, 21280), (9880, 21224), (10612, 19760), (10640, 19708), (12128, 17290), (13265, 15808), (13832, 15160), (14402, 14560)]