990440328

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:539

約数の個数: 128

約数和(自身を含む): 2654023680

約数和(自身を除く): 1663583352

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 43, 62, 83, 86, 93, 124, 129, 166, 172, 186, 248, 249, 258, 332, 344, 372, 373, 498, 516, 664, 744, 746, 996, 1032, 1119, 1333, 1492, 1992, 2238, 2573, 2666, 2984, 3569, 3999, 4476, 5146, 5332, 7138, 7719, 7998, 8952, 10292, 10664, 10707, 11563, 14276, 15438, 15996, 16039, 20584, 21414, 23126, 28552, 30876, 30959, 31992, 32078, 34689, 42828, 46252, 48117, 61752, 61918, 64156, 69378, 85656, 92504, 92877, 96234, 110639, 123836, 128312, 138756, 185754, 192468, 221278, 247672, 277512, 331917, 371508, 384936, 442556, 497209, 663834, 743016, 885112, 959729, 994418, 1327668, 1331237, 1491627, 1919458, 1988836, 2655336, 2662474, 2879187, 2983254, 3838916, 3977672, 3993711, 5324948, 5758374, 5966508, 7677832, 7987422, 10649896, 11516748, 11933016, 15974844, 23033496, 31949688, 41268347, 82536694, 123805041, 165073388, 247610082, 330146776, 495220164, 990440328]

約数ペア:

[(1, 990440328), (2, 495220164), (3, 330146776), (4, 247610082), (6, 165073388), (8, 123805041), (12, 82536694), (24, 41268347), (31, 31949688), (43, 23033496), (62, 15974844), (83, 11933016), (86, 11516748), (93, 10649896), (124, 7987422), (129, 7677832), (166, 5966508), (172, 5758374), (186, 5324948), (248, 3993711), (249, 3977672), (258, 3838916), (332, 2983254), (344, 2879187), (372, 2662474), (373, 2655336), (498, 1988836), (516, 1919458), (664, 1491627), (744, 1331237), (746, 1327668), (996, 994418), (1032, 959729), (1119, 885112), (1333, 743016), (1492, 663834), (1992, 497209), (2238, 442556), (2573, 384936), (2666, 371508), (2984, 331917), (3569, 277512), (3999, 247672), (4476, 221278), (5146, 192468), (5332, 185754), (7138, 138756), (7719, 128312), (7998, 123836), (8952, 110639), (10292, 96234), (10664, 92877), (10707, 92504), (11563, 85656), (14276, 69378), (15438, 64156), (15996, 61918), (16039, 61752), (20584, 48117), (21414, 46252), (23126, 42828), (28552, 34689), (30876, 32078), (30959, 31992)]