287100960625

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:381

約数の個数: 160

約数和(自身を含む): 404420544000

約数和(自身を除く): 117319583375

約数列:

[1, 5, 19, 25, 29, 61, 79, 95, 125, 145, 173, 305, 395, 475, 551, 625, 725, 865, 1159, 1501, 1525, 1769, 1975, 2291, 2375, 2755, 3287, 3625, 4325, 4819, 5017, 5795, 7505, 7625, 8845, 9875, 10553, 11455, 11875, 13667, 13775, 16435, 18125, 21625, 24095, 25085, 28975, 33611, 37525, 38125, 43529, 44225, 49375, 52765, 57275, 68335, 68875, 82175, 91561, 95323, 108125, 120475, 125425, 139751, 144875, 168055, 187625, 200507, 217645, 221125, 259673, 263825, 286375, 306037, 341675, 344375, 396343, 410875, 457805, 476615, 602375, 627125, 698755, 724375, 833687, 840275, 938125, 1002535, 1088225, 1105625, 1298365, 1319125, 1431875, 1530185, 1708375, 1981715, 2054375, 2289025, 2383075, 2655269, 3011875, 3135625, 3493775, 4168435, 4201375, 5012675, 5441125, 5814703, 6491825, 6595625, 7530517, 7650925, 8541875, 9908575, 11445125, 11915375, 13276345, 15840053, 17468875, 20842175, 21006875, 24176923, 25063375, 27205625, 29073515, 32459125, 37652585, 38254625, 49542875, 57225625, 59576875, 66381725, 79200265, 87344375, 104210875, 120884615, 125316875, 145367575, 162295625, 188262925, 191273125, 247714375, 331908625, 396001325, 459361537, 521054375, 604423075, 726837875, 941314625, 1659543125, 1980006625, 2296807685, 3022115375, 3634189375, 4706573125, 9900033125, 11484038425, 15110576875, 57420192125, 287100960625]

約数ペア:

[(1, 287100960625), (5, 57420192125), (19, 15110576875), (25, 11484038425), (29, 9900033125), (61, 4706573125), (79, 3634189375), (95, 3022115375), (125, 2296807685), (145, 1980006625), (173, 1659543125), (305, 941314625), (395, 726837875), (475, 604423075), (551, 521054375), (625, 459361537), (725, 396001325), (865, 331908625), (1159, 247714375), (1501, 191273125), (1525, 188262925), (1769, 162295625), (1975, 145367575), (2291, 125316875), (2375, 120884615), (2755, 104210875), (3287, 87344375), (3625, 79200265), (4325, 66381725), (4819, 59576875), (5017, 57225625), (5795, 49542875), (7505, 38254625), (7625, 37652585), (8845, 32459125), (9875, 29073515), (10553, 27205625), (11455, 25063375), (11875, 24176923), (13667, 21006875), (13775, 20842175), (16435, 17468875), (18125, 15840053), (21625, 13276345), (24095, 11915375), (25085, 11445125), (28975, 9908575), (33611, 8541875), (37525, 7650925), (38125, 7530517), (43529, 6595625), (44225, 6491825), (49375, 5814703), (52765, 5441125), (57275, 5012675), (68335, 4201375), (68875, 4168435), (82175, 3493775), (91561, 3135625), (95323, 3011875), (108125, 2655269), (120475, 2383075), (125425, 2289025), (139751, 2054375), (144875, 1981715), (168055, 1708375), (187625, 1530185), (200507, 1431875), (217645, 1319125), (221125, 1298365), (259673, 1105625), (263825, 1088225), (286375, 1002535), (306037, 938125), (341675, 840275), (344375, 833687), (396343, 724375), (410875, 698755), (457805, 627125), (476615, 602375)]