256814213225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1\times {\mathrm{1973}}^1$

素因数の和:2267

約数の個数: 96

約数和(自身を含む): 356883408000

約数和(自身を除く): 100069194775

約数列:

[1, 5, 17, 25, 29, 59, 85, 145, 179, 295, 425, 493, 725, 895, 1003, 1475, 1711, 1973, 2465, 3043, 4475, 5015, 5191, 8555, 9865, 10561, 12325, 15215, 25075, 25955, 29087, 33541, 42775, 49325, 52805, 57217, 76075, 88247, 116407, 129775, 145435, 167705, 179537, 264025, 286085, 306269, 353167, 441235, 582035, 727175, 838525, 897685, 972689, 1430425, 1531345, 1765835, 1978919, 2206175, 2910175, 3375803, 4488425, 4863445, 5206573, 6003839, 7656725, 8829175, 9894595, 10241843, 16879015, 20836853, 24317225, 26032865, 30019195, 49472975, 51209215, 57388651, 84395075, 104184265, 130164325, 150095975, 174111331, 256046075, 286943255, 354226501, 520921325, 604268737, 870556655, 1434716275, 1771132505, 3021343685, 4352783275, 8855662525, 10272568529, 15106718425, 51362842645, 256814213225]

約数ペア:

[(1, 256814213225), (5, 51362842645), (17, 15106718425), (25, 10272568529), (29, 8855662525), (59, 4352783275), (85, 3021343685), (145, 1771132505), (179, 1434716275), (295, 870556655), (425, 604268737), (493, 520921325), (725, 354226501), (895, 286943255), (1003, 256046075), (1475, 174111331), (1711, 150095975), (1973, 130164325), (2465, 104184265), (3043, 84395075), (4475, 57388651), (5015, 51209215), (5191, 49472975), (8555, 30019195), (9865, 26032865), (10561, 24317225), (12325, 20836853), (15215, 16879015), (25075, 10241843), (25955, 9894595), (29087, 8829175), (33541, 7656725), (42775, 6003839), (49325, 5206573), (52805, 4863445), (57217, 4488425), (76075, 3375803), (88247, 2910175), (116407, 2206175), (129775, 1978919), (145435, 1765835), (167705, 1531345), (179537, 1430425), (264025, 972689), (286085, 897685), (306269, 838525), (353167, 727175), (441235, 582035)]