1998718722020

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{233}}^1\times {\mathrm{367}}^1\times {\mathrm{6529}}^1$

素因数の和:7317

約数の個数: 96

約数和(自身を含む): 4251073881600

約数和(自身を除く): 2252355159580

約数列:

[1, 2, 4, 5, 10, 20, 179, 233, 358, 367, 466, 716, 734, 895, 932, 1165, 1468, 1790, 1835, 2330, 3580, 3670, 4660, 6529, 7340, 13058, 26116, 32645, 41707, 65290, 65693, 83414, 85511, 130580, 131386, 166828, 171022, 208535, 262772, 328465, 342044, 417070, 427555, 656930, 834140, 855110, 1168691, 1313860, 1521257, 1710220, 2337382, 2396143, 3042514, 4674764, 4792286, 5843455, 6085028, 7606285, 9584572, 11686910, 11980715, 15212570, 15306469, 23373820, 23961430, 30425140, 30612938, 47922860, 61225876, 76532345, 153064690, 272305003, 306129380, 428909597, 544610006, 558301319, 857819194, 1089220012, 1116602638, 1361525015, 1715638388, 2144547985, 2233205276, 2723050030, 2791506595, 4289095970, 5446100060, 5583013190, 8578191940, 11166026380, 99935936101, 199871872202, 399743744404, 499679680505, 999359361010, 1998718722020]

約数ペア:

[(1, 1998718722020), (2, 999359361010), (4, 499679680505), (5, 399743744404), (10, 199871872202), (20, 99935936101), (179, 11166026380), (233, 8578191940), (358, 5583013190), (367, 5446100060), (466, 4289095970), (716, 2791506595), (734, 2723050030), (895, 2233205276), (932, 2144547985), (1165, 1715638388), (1468, 1361525015), (1790, 1116602638), (1835, 1089220012), (2330, 857819194), (3580, 558301319), (3670, 544610006), (4660, 428909597), (6529, 306129380), (7340, 272305003), (13058, 153064690), (26116, 76532345), (32645, 61225876), (41707, 47922860), (65290, 30612938), (65693, 30425140), (83414, 23961430), (85511, 23373820), (130580, 15306469), (131386, 15212570), (166828, 11980715), (171022, 11686910), (208535, 9584572), (262772, 7606285), (328465, 6085028), (342044, 5843455), (417070, 4792286), (427555, 4674764), (656930, 3042514), (834140, 2396143), (855110, 2337382), (1168691, 1710220), (1313860, 1521257)]