2019430360

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:449

約数の個数: 128

約数和(自身を含む): 4857615360

約数和(自身を除く): 2838185000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 101, 103, 115, 184, 202, 206, 211, 230, 404, 412, 422, 460, 505, 515, 808, 824, 844, 920, 1010, 1030, 1055, 1688, 2020, 2060, 2110, 2323, 2369, 4040, 4120, 4220, 4646, 4738, 4853, 8440, 9292, 9476, 9706, 10403, 11615, 11845, 18584, 18952, 19412, 20806, 21311, 21733, 23230, 23690, 24265, 38824, 41612, 42622, 43466, 46460, 47380, 48530, 52015, 83224, 85244, 86932, 92920, 94760, 97060, 104030, 106555, 108665, 170488, 173864, 194120, 208060, 213110, 217330, 239269, 416120, 426220, 434660, 478538, 490153, 499859, 852440, 869320, 957076, 980306, 999718, 1196345, 1914152, 1960612, 1999436, 2195033, 2392690, 2450765, 2499295, 3921224, 3998872, 4390066, 4785380, 4901530, 4998590, 8780132, 9570760, 9803060, 9997180, 10975165, 17560264, 19606120, 19994360, 21950330, 43900660, 50485759, 87801320, 100971518, 201943036, 252428795, 403886072, 504857590, 1009715180, 2019430360]

約数ペア:

[(1, 2019430360), (2, 1009715180), (4, 504857590), (5, 403886072), (8, 252428795), (10, 201943036), (20, 100971518), (23, 87801320), (40, 50485759), (46, 43900660), (92, 21950330), (101, 19994360), (103, 19606120), (115, 17560264), (184, 10975165), (202, 9997180), (206, 9803060), (211, 9570760), (230, 8780132), (404, 4998590), (412, 4901530), (422, 4785380), (460, 4390066), (505, 3998872), (515, 3921224), (808, 2499295), (824, 2450765), (844, 2392690), (920, 2195033), (1010, 1999436), (1030, 1960612), (1055, 1914152), (1688, 1196345), (2020, 999718), (2060, 980306), (2110, 957076), (2323, 869320), (2369, 852440), (4040, 499859), (4120, 490153), (4220, 478538), (4646, 434660), (4738, 426220), (4853, 416120), (8440, 239269), (9292, 217330), (9476, 213110), (9706, 208060), (10403, 194120), (11615, 173864), (11845, 170488), (18584, 108665), (18952, 106555), (19412, 104030), (20806, 97060), (21311, 94760), (21733, 92920), (23230, 86932), (23690, 85244), (24265, 83224), (38824, 52015), (41612, 48530), (42622, 47380), (43466, 46460)]