3877996925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 5656780800

約数和(自身を除く): 1778783875

約数列:

[1, 5, 11, 25, 31, 43, 55, 71, 149, 155, 215, 275, 341, 355, 473, 745, 775, 781, 1075, 1333, 1639, 1705, 1775, 2201, 2365, 3053, 3725, 3905, 4619, 6407, 6665, 8195, 8525, 10579, 11005, 11825, 14663, 15265, 19525, 23095, 24211, 32035, 33325, 33583, 40975, 50809, 52895, 55025, 70477, 73315, 76325, 94643, 115475, 116369, 121055, 160175, 167915, 198617, 254045, 264475, 327949, 352385, 366575, 454897, 473215, 581845, 605275, 839575, 993085, 1041073, 1270225, 1639745, 1761925, 2184787, 2274485, 2366075, 2909225, 3607439, 4965425, 5003867, 5205365, 8198725, 10923935, 11372425, 14101807, 18037195, 25019335, 26026825, 54619675, 70509035, 90185975, 125096675, 155119877, 352545175, 775599385, 3877996925]

約数ペア:

[(1, 3877996925), (5, 775599385), (11, 352545175), (25, 155119877), (31, 125096675), (43, 90185975), (55, 70509035), (71, 54619675), (149, 26026825), (155, 25019335), (215, 18037195), (275, 14101807), (341, 11372425), (355, 10923935), (473, 8198725), (745, 5205365), (775, 5003867), (781, 4965425), (1075, 3607439), (1333, 2909225), (1639, 2366075), (1705, 2274485), (1775, 2184787), (2201, 1761925), (2365, 1639745), (3053, 1270225), (3725, 1041073), (3905, 993085), (4619, 839575), (6407, 605275), (6665, 581845), (8195, 473215), (8525, 454897), (10579, 366575), (11005, 352385), (11825, 327949), (14663, 264475), (15265, 254045), (19525, 198617), (23095, 167915), (24211, 160175), (32035, 121055), (33325, 116369), (33583, 115475), (40975, 94643), (50809, 76325), (52895, 73315), (55025, 70477)]