917793440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:251

約数の個数: 144

約数和(自身を含む): 2306174976

約数和(自身を除く): 1388381536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 47, 62, 80, 94, 124, 127, 155, 160, 188, 235, 248, 254, 310, 376, 470, 496, 508, 620, 635, 752, 940, 961, 992, 1016, 1240, 1270, 1457, 1504, 1880, 1922, 2032, 2480, 2540, 2914, 3760, 3844, 3937, 4064, 4805, 4960, 5080, 5828, 5969, 7285, 7520, 7688, 7874, 9610, 10160, 11656, 11938, 14570, 15376, 15748, 19220, 19685, 20320, 23312, 23876, 29140, 29845, 30752, 31496, 38440, 39370, 45167, 46624, 47752, 58280, 59690, 62992, 76880, 78740, 90334, 95504, 116560, 119380, 122047, 125984, 153760, 157480, 180668, 185039, 191008, 225835, 233120, 238760, 244094, 314960, 361336, 370078, 451670, 477520, 488188, 610235, 629920, 722672, 740156, 903340, 925195, 955040, 976376, 1220470, 1445344, 1480312, 1806680, 1850390, 1952752, 2440940, 2960624, 3613360, 3700780, 3905504, 4881880, 5736209, 5921248, 7226720, 7401560, 9763760, 11472418, 14803120, 19527520, 22944836, 28681045, 29606240, 45889672, 57362090, 91779344, 114724180, 183558688, 229448360, 458896720, 917793440]

約数ペア:

[(1, 917793440), (2, 458896720), (4, 229448360), (5, 183558688), (8, 114724180), (10, 91779344), (16, 57362090), (20, 45889672), (31, 29606240), (32, 28681045), (40, 22944836), (47, 19527520), (62, 14803120), (80, 11472418), (94, 9763760), (124, 7401560), (127, 7226720), (155, 5921248), (160, 5736209), (188, 4881880), (235, 3905504), (248, 3700780), (254, 3613360), (310, 2960624), (376, 2440940), (470, 1952752), (496, 1850390), (508, 1806680), (620, 1480312), (635, 1445344), (752, 1220470), (940, 976376), (961, 955040), (992, 925195), (1016, 903340), (1240, 740156), (1270, 722672), (1457, 629920), (1504, 610235), (1880, 488188), (1922, 477520), (2032, 451670), (2480, 370078), (2540, 361336), (2914, 314960), (3760, 244094), (3844, 238760), (3937, 233120), (4064, 225835), (4805, 191008), (4960, 185039), (5080, 180668), (5828, 157480), (5969, 153760), (7285, 125984), (7520, 122047), (7688, 119380), (7874, 116560), (9610, 95504), (10160, 90334), (11656, 78740), (11938, 76880), (14570, 62992), (15376, 59690), (15748, 58280), (19220, 47752), (19685, 46624), (20320, 45167), (23312, 39370), (23876, 38440), (29140, 31496), (29845, 30752)]