2780355500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:577

約数の個数: 192

約数和(自身を含む): 7044710400

約数和(自身を除く): 4264354900

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 47, 50, 52, 65, 76, 94, 95, 100, 125, 130, 188, 190, 235, 247, 250, 260, 325, 380, 470, 475, 479, 494, 500, 611, 650, 893, 940, 950, 958, 988, 1175, 1222, 1235, 1300, 1625, 1786, 1900, 1916, 2350, 2375, 2395, 2444, 2470, 3055, 3250, 3572, 4465, 4700, 4750, 4790, 4940, 5875, 6110, 6175, 6227, 6500, 8930, 9101, 9500, 9580, 11609, 11750, 11975, 12220, 12350, 12454, 15275, 17860, 18202, 22325, 22513, 23218, 23500, 23950, 24700, 24908, 30550, 30875, 31135, 36404, 44650, 45026, 45505, 46436, 47900, 58045, 59875, 61100, 61750, 62270, 76375, 89300, 90052, 91010, 111625, 112565, 116090, 118313, 119750, 123500, 124540, 152750, 155675, 182020, 223250, 225130, 227525, 232180, 236626, 239500, 290225, 292669, 305500, 311350, 427747, 446500, 450260, 455050, 473252, 562825, 580450, 585338, 591565, 622700, 778375, 855494, 910100, 1125650, 1137625, 1160900, 1170676, 1183130, 1451125, 1463345, 1556750, 1710988, 2138735, 2251300, 2275250, 2366260, 2814125, 2902250, 2926690, 2957825, 3113500, 4277470, 4550500, 5560711, 5628250, 5804500, 5853380, 5915650, 7316725, 8554940, 10693675, 11121422, 11256500, 11831300, 14633450, 14789125, 21387350, 22242844, 27803555, 29266900, 29578250, 36583625, 42774700, 53468375, 55607110, 59156500, 73167250, 106936750, 111214220, 139017775, 146334500, 213873500, 278035550, 556071100, 695088875, 1390177750, 2780355500]

約数ペア:

[(1, 2780355500), (2, 1390177750), (4, 695088875), (5, 556071100), (10, 278035550), (13, 213873500), (19, 146334500), (20, 139017775), (25, 111214220), (26, 106936750), (38, 73167250), (47, 59156500), (50, 55607110), (52, 53468375), (65, 42774700), (76, 36583625), (94, 29578250), (95, 29266900), (100, 27803555), (125, 22242844), (130, 21387350), (188, 14789125), (190, 14633450), (235, 11831300), (247, 11256500), (250, 11121422), (260, 10693675), (325, 8554940), (380, 7316725), (470, 5915650), (475, 5853380), (479, 5804500), (494, 5628250), (500, 5560711), (611, 4550500), (650, 4277470), (893, 3113500), (940, 2957825), (950, 2926690), (958, 2902250), (988, 2814125), (1175, 2366260), (1222, 2275250), (1235, 2251300), (1300, 2138735), (1625, 1710988), (1786, 1556750), (1900, 1463345), (1916, 1451125), (2350, 1183130), (2375, 1170676), (2395, 1160900), (2444, 1137625), (2470, 1125650), (3055, 910100), (3250, 855494), (3572, 778375), (4465, 622700), (4700, 591565), (4750, 585338), (4790, 580450), (4940, 562825), (5875, 473252), (6110, 455050), (6175, 450260), (6227, 446500), (6500, 427747), (8930, 311350), (9101, 305500), (9500, 292669), (9580, 290225), (11609, 239500), (11750, 236626), (11975, 232180), (12220, 227525), (12350, 225130), (12454, 223250), (15275, 182020), (17860, 155675), (18202, 152750), (22325, 124540), (22513, 123500), (23218, 119750), (23500, 118313), (23950, 116090), (24700, 112565), (24908, 111625), (30550, 91010), (30875, 90052), (31135, 89300), (36404, 76375), (44650, 62270), (45026, 61750), (45505, 61100), (46436, 59875), (47900, 58045)]