278797942775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{3109}}^1$

素因数の和:3385

約数の個数: 96

約数和(自身を含む): 397758351360

約数和(自身を除く): 118960408585

約数列:

[1, 5, 11, 25, 31, 55, 67, 155, 157, 275, 335, 341, 737, 775, 785, 1675, 1705, 1727, 2077, 3109, 3685, 3925, 4867, 8525, 8635, 10385, 10519, 15545, 18425, 22847, 24335, 34199, 43175, 51925, 52595, 53537, 77725, 96379, 114235, 115709, 121675, 170995, 208303, 262975, 267685, 326089, 481895, 488113, 571175, 578545, 854975, 1041515, 1060169, 1338425, 1630445, 2291333, 2409475, 2440565, 2892725, 3586979, 5207575, 5300845, 5369243, 6457393, 8152225, 11456665, 12202825, 15131503, 17934895, 26504225, 26846215, 32286965, 32703571, 57283325, 71031323, 75657515, 89674475, 134231075, 161434825, 163517855, 166446533, 355156615, 359739281, 378287575, 817589275, 832232665, 1013810701, 1775783075, 1798696405, 4161163325, 5069053505, 8993482025, 11151917711, 25345267525, 55759588555, 278797942775]

約数ペア:

[(1, 278797942775), (5, 55759588555), (11, 25345267525), (25, 11151917711), (31, 8993482025), (55, 5069053505), (67, 4161163325), (155, 1798696405), (157, 1775783075), (275, 1013810701), (335, 832232665), (341, 817589275), (737, 378287575), (775, 359739281), (785, 355156615), (1675, 166446533), (1705, 163517855), (1727, 161434825), (2077, 134231075), (3109, 89674475), (3685, 75657515), (3925, 71031323), (4867, 57283325), (8525, 32703571), (8635, 32286965), (10385, 26846215), (10519, 26504225), (15545, 17934895), (18425, 15131503), (22847, 12202825), (24335, 11456665), (34199, 8152225), (43175, 6457393), (51925, 5369243), (52595, 5300845), (53537, 5207575), (77725, 3586979), (96379, 2892725), (114235, 2440565), (115709, 2409475), (121675, 2291333), (170995, 1630445), (208303, 1338425), (262975, 1060169), (267685, 1041515), (326089, 854975), (481895, 578545), (488113, 571175)]