13970297960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{2909}}^1$

素因数の和:3099

約数の個数: 128

約数和(自身を含む): 33942240000

約数和(自身を除く): 19971942040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 89, 95, 142, 152, 178, 190, 284, 355, 356, 380, 445, 568, 710, 712, 760, 890, 1349, 1420, 1691, 1780, 2698, 2840, 2909, 3382, 3560, 5396, 5818, 6319, 6745, 6764, 8455, 10792, 11636, 12638, 13490, 13528, 14545, 16910, 23272, 25276, 26980, 29090, 31595, 33820, 50552, 53960, 55271, 58180, 63190, 67640, 110542, 116360, 120061, 126380, 206539, 221084, 240122, 252760, 258901, 276355, 413078, 442168, 480244, 517802, 552710, 600305, 826156, 960488, 1032695, 1035604, 1105420, 1200610, 1294505, 1652312, 2065390, 2071208, 2210840, 2401220, 2589010, 3924241, 4130780, 4802440, 4919119, 5178020, 7848482, 8261560, 9838238, 10356040, 15696964, 18381971, 19621205, 19676476, 24595595, 31393928, 36763942, 39242410, 39352952, 49191190, 73527884, 78484820, 91909855, 98382380, 147055768, 156969640, 183819710, 196764760, 349257449, 367639420, 698514898, 735278840, 1397029796, 1746287245, 2794059592, 3492574490, 6985148980, 13970297960]

約数ペア:

[(1, 13970297960), (2, 6985148980), (4, 3492574490), (5, 2794059592), (8, 1746287245), (10, 1397029796), (19, 735278840), (20, 698514898), (38, 367639420), (40, 349257449), (71, 196764760), (76, 183819710), (89, 156969640), (95, 147055768), (142, 98382380), (152, 91909855), (178, 78484820), (190, 73527884), (284, 49191190), (355, 39352952), (356, 39242410), (380, 36763942), (445, 31393928), (568, 24595595), (710, 19676476), (712, 19621205), (760, 18381971), (890, 15696964), (1349, 10356040), (1420, 9838238), (1691, 8261560), (1780, 7848482), (2698, 5178020), (2840, 4919119), (2909, 4802440), (3382, 4130780), (3560, 3924241), (5396, 2589010), (5818, 2401220), (6319, 2210840), (6745, 2071208), (6764, 2065390), (8455, 1652312), (10792, 1294505), (11636, 1200610), (12638, 1105420), (13490, 1035604), (13528, 1032695), (14545, 960488), (16910, 826156), (23272, 600305), (25276, 552710), (26980, 517802), (29090, 480244), (31595, 442168), (33820, 413078), (50552, 276355), (53960, 258901), (55271, 252760), (58180, 240122), (63190, 221084), (67640, 206539), (110542, 126380), (116360, 120061)]