201998040040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{20873}}^1$

素因数の和:21131

約数の個数: 128

約数和(自身を含む): 484423752960

約数和(自身を除く): 282425712920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 67, 92, 115, 134, 157, 184, 230, 268, 314, 335, 460, 536, 628, 670, 785, 920, 1256, 1340, 1541, 1570, 2680, 3082, 3140, 3611, 6164, 6280, 7222, 7705, 10519, 12328, 14444, 15410, 18055, 20873, 21038, 28888, 30820, 36110, 41746, 42076, 52595, 61640, 72220, 83492, 84152, 104365, 105190, 144440, 166984, 208730, 210380, 241937, 417460, 420760, 480079, 483874, 834920, 960158, 967748, 1209685, 1398491, 1920316, 1935496, 2400395, 2419370, 2796982, 3277061, 3840632, 4800790, 4838740, 5593964, 6554122, 6992455, 9601580, 9677480, 11187928, 13108244, 13984910, 16385305, 19203160, 26216488, 27969820, 32165293, 32770610, 55939640, 64330586, 65541220, 75372403, 128661172, 131082440, 150744806, 160826465, 219563087, 257322344, 301489612, 321652930, 376862015, 439126174, 602979224, 643305860, 753724030, 878252348, 1097815435, 1286611720, 1507448060, 1756504696, 2195630870, 3014896120, 4391261740, 5049951001, 8782523480, 10099902002, 20199804004, 25249755005, 40399608008, 50499510010, 100999020020, 201998040040]

約数ペア:

[(1, 201998040040), (2, 100999020020), (4, 50499510010), (5, 40399608008), (8, 25249755005), (10, 20199804004), (20, 10099902002), (23, 8782523480), (40, 5049951001), (46, 4391261740), (67, 3014896120), (92, 2195630870), (115, 1756504696), (134, 1507448060), (157, 1286611720), (184, 1097815435), (230, 878252348), (268, 753724030), (314, 643305860), (335, 602979224), (460, 439126174), (536, 376862015), (628, 321652930), (670, 301489612), (785, 257322344), (920, 219563087), (1256, 160826465), (1340, 150744806), (1541, 131082440), (1570, 128661172), (2680, 75372403), (3082, 65541220), (3140, 64330586), (3611, 55939640), (6164, 32770610), (6280, 32165293), (7222, 27969820), (7705, 26216488), (10519, 19203160), (12328, 16385305), (14444, 13984910), (15410, 13108244), (18055, 11187928), (20873, 9677480), (21038, 9601580), (28888, 6992455), (30820, 6554122), (36110, 5593964), (41746, 4838740), (42076, 4800790), (52595, 3840632), (61640, 3277061), (72220, 2796982), (83492, 2419370), (84152, 2400395), (104365, 1935496), (105190, 1920316), (144440, 1398491), (166984, 1209685), (208730, 967748), (210380, 960158), (241937, 834920), (417460, 483874), (420760, 480079)]