138419840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:290

約数の個数: 128

約数和(自身を含む): 361912320

約数和(自身を除く): 223492480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 128, 130, 131, 160, 208, 254, 260, 262, 320, 416, 508, 520, 524, 635, 640, 655, 832, 1016, 1040, 1048, 1270, 1310, 1651, 1664, 1703, 2032, 2080, 2096, 2540, 2620, 3302, 3406, 4064, 4160, 4192, 5080, 5240, 6604, 6812, 8128, 8255, 8320, 8384, 8515, 10160, 10480, 13208, 13624, 16256, 16510, 16637, 16768, 17030, 20320, 20960, 26416, 27248, 33020, 33274, 34060, 40640, 41920, 52832, 54496, 66040, 66548, 68120, 81280, 83185, 83840, 105664, 108992, 132080, 133096, 136240, 166370, 211328, 216281, 217984, 264160, 266192, 272480, 332740, 432562, 528320, 532384, 544960, 665480, 865124, 1056640, 1064768, 1081405, 1089920, 1330960, 1730248, 2129536, 2162810, 2661920, 3460496, 4325620, 5323840, 6920992, 8651240, 10647680, 13841984, 17302480, 27683968, 34604960, 69209920, 138419840]

約数ペア:

[(1, 138419840), (2, 69209920), (4, 34604960), (5, 27683968), (8, 17302480), (10, 13841984), (13, 10647680), (16, 8651240), (20, 6920992), (26, 5323840), (32, 4325620), (40, 3460496), (52, 2661920), (64, 2162810), (65, 2129536), (80, 1730248), (104, 1330960), (127, 1089920), (128, 1081405), (130, 1064768), (131, 1056640), (160, 865124), (208, 665480), (254, 544960), (260, 532384), (262, 528320), (320, 432562), (416, 332740), (508, 272480), (520, 266192), (524, 264160), (635, 217984), (640, 216281), (655, 211328), (832, 166370), (1016, 136240), (1040, 133096), (1048, 132080), (1270, 108992), (1310, 105664), (1651, 83840), (1664, 83185), (1703, 81280), (2032, 68120), (2080, 66548), (2096, 66040), (2540, 54496), (2620, 52832), (3302, 41920), (3406, 40640), (4064, 34060), (4160, 33274), (4192, 33020), (5080, 27248), (5240, 26416), (6604, 20960), (6812, 20320), (8128, 17030), (8255, 16768), (8320, 16637), (8384, 16510), (8515, 16256), (10160, 13624), (10480, 13208)]