309751442

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:125

約数の個数: 144

約数和(自身を含む): 684645696

約数和(自身を除く): 374894254

約数列:

[1, 2, 7, 11, 13, 14, 22, 23, 26, 31, 46, 49, 62, 77, 91, 98, 143, 154, 161, 182, 217, 253, 286, 299, 322, 341, 403, 434, 506, 539, 598, 637, 682, 713, 806, 961, 1001, 1078, 1127, 1274, 1426, 1519, 1771, 1922, 2002, 2093, 2254, 2387, 2821, 3038, 3289, 3542, 4186, 4433, 4774, 4991, 5642, 6578, 6727, 7007, 7843, 8866, 9269, 9982, 10571, 12397, 12493, 13454, 14014, 14651, 15686, 16709, 18538, 19747, 21142, 22103, 23023, 24794, 24986, 29302, 31031, 33418, 34937, 39494, 44206, 46046, 47089, 54901, 62062, 64883, 69874, 73997, 87451, 94178, 101959, 109802, 129766, 137423, 147994, 154721, 161161, 174902, 203918, 217217, 243133, 274846, 287339, 309442, 322322, 384307, 434434, 454181, 486266, 517979, 574678, 612157, 713713, 768614, 908362, 961961, 1035958, 1083047, 1224314, 1427426, 1701931, 1923922, 2011373, 2166094, 3160729, 3403862, 4022746, 4995991, 6321458, 6733727, 9991982, 11913517, 13467454, 14079611, 22125103, 23827034, 28159222, 44250206, 154875721, 309751442]

約数ペア:

[(1, 309751442), (2, 154875721), (7, 44250206), (11, 28159222), (13, 23827034), (14, 22125103), (22, 14079611), (23, 13467454), (26, 11913517), (31, 9991982), (46, 6733727), (49, 6321458), (62, 4995991), (77, 4022746), (91, 3403862), (98, 3160729), (143, 2166094), (154, 2011373), (161, 1923922), (182, 1701931), (217, 1427426), (253, 1224314), (286, 1083047), (299, 1035958), (322, 961961), (341, 908362), (403, 768614), (434, 713713), (506, 612157), (539, 574678), (598, 517979), (637, 486266), (682, 454181), (713, 434434), (806, 384307), (961, 322322), (1001, 309442), (1078, 287339), (1127, 274846), (1274, 243133), (1426, 217217), (1519, 203918), (1771, 174902), (1922, 161161), (2002, 154721), (2093, 147994), (2254, 137423), (2387, 129766), (2821, 109802), (3038, 101959), (3289, 94178), (3542, 87451), (4186, 73997), (4433, 69874), (4774, 64883), (4991, 62062), (5642, 54901), (6578, 47089), (6727, 46046), (7007, 44206), (7843, 39494), (8866, 34937), (9269, 33418), (9982, 31031), (10571, 29302), (12397, 24986), (12493, 24794), (13454, 23023), (14014, 22103), (14651, 21142), (15686, 19747), (16709, 18538)]