205449920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:203

約数の個数: 168

約数和(自身を含む): 552206160

約数和(自身を除く): 346756240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 64, 65, 80, 104, 116, 130, 131, 145, 160, 169, 208, 232, 260, 262, 290, 320, 338, 377, 416, 464, 520, 524, 580, 655, 676, 754, 832, 845, 928, 1040, 1048, 1160, 1310, 1352, 1508, 1690, 1703, 1856, 1885, 2080, 2096, 2320, 2620, 2704, 3016, 3380, 3406, 3770, 3799, 4160, 4192, 4640, 4901, 5240, 5408, 6032, 6760, 6812, 7540, 7598, 8384, 8515, 9280, 9802, 10480, 10816, 12064, 13520, 13624, 15080, 15196, 17030, 18995, 19604, 20960, 22139, 24128, 24505, 27040, 27248, 30160, 30392, 34060, 37990, 39208, 41920, 44278, 49010, 49387, 54080, 54496, 60320, 60784, 68120, 75980, 78416, 88556, 98020, 98774, 108992, 110695, 120640, 121568, 136240, 151960, 156832, 177112, 196040, 197548, 221390, 243136, 246935, 272480, 303920, 313664, 354224, 392080, 395096, 442780, 493870, 544960, 607840, 642031, 708448, 784160, 790192, 885560, 987740, 1215680, 1284062, 1416896, 1568320, 1580384, 1771120, 1975480, 2568124, 3160768, 3210155, 3542240, 3950960, 5136248, 6420310, 7084480, 7901920, 10272496, 12840620, 15803840, 20544992, 25681240, 41089984, 51362480, 102724960, 205449920]

約数ペア:

[(1, 205449920), (2, 102724960), (4, 51362480), (5, 41089984), (8, 25681240), (10, 20544992), (13, 15803840), (16, 12840620), (20, 10272496), (26, 7901920), (29, 7084480), (32, 6420310), (40, 5136248), (52, 3950960), (58, 3542240), (64, 3210155), (65, 3160768), (80, 2568124), (104, 1975480), (116, 1771120), (130, 1580384), (131, 1568320), (145, 1416896), (160, 1284062), (169, 1215680), (208, 987740), (232, 885560), (260, 790192), (262, 784160), (290, 708448), (320, 642031), (338, 607840), (377, 544960), (416, 493870), (464, 442780), (520, 395096), (524, 392080), (580, 354224), (655, 313664), (676, 303920), (754, 272480), (832, 246935), (845, 243136), (928, 221390), (1040, 197548), (1048, 196040), (1160, 177112), (1310, 156832), (1352, 151960), (1508, 136240), (1690, 121568), (1703, 120640), (1856, 110695), (1885, 108992), (2080, 98774), (2096, 98020), (2320, 88556), (2620, 78416), (2704, 75980), (3016, 68120), (3380, 60784), (3406, 60320), (3770, 54496), (3799, 54080), (4160, 49387), (4192, 49010), (4640, 44278), (4901, 41920), (5240, 39208), (5408, 37990), (6032, 34060), (6760, 30392), (6812, 30160), (7540, 27248), (7598, 27040), (8384, 24505), (8515, 24128), (9280, 22139), (9802, 20960), (10480, 19604), (10816, 18995), (12064, 17030), (13520, 15196), (13624, 15080)]