1990654974

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:724

約数の個数: 192

約数和(自身を含む): 5644477440

約数和(自身を除く): 3653822466

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 71, 77, 99, 121, 126, 142, 154, 189, 198, 213, 231, 242, 297, 363, 378, 426, 462, 497, 594, 613, 639, 693, 726, 781, 847, 994, 1089, 1226, 1278, 1386, 1491, 1562, 1694, 1839, 1917, 2079, 2178, 2343, 2541, 2982, 3267, 3678, 3834, 4158, 4291, 4473, 4686, 5082, 5467, 5517, 6534, 6743, 7029, 7623, 8582, 8591, 8946, 10934, 11034, 12873, 13419, 13486, 14058, 15246, 16401, 16551, 17182, 20229, 21087, 22869, 25746, 25773, 26838, 32802, 33102, 38619, 40458, 42174, 43523, 45738, 47201, 49203, 51546, 60137, 60687, 74173, 77238, 77319, 87046, 94402, 98406, 115857, 120274, 121374, 130569, 141603, 147609, 148346, 154638, 180411, 182061, 222519, 231714, 231957, 261138, 283206, 295218, 304661, 360822, 364122, 391707, 424809, 445038, 463914, 478753, 519211, 541233, 609322, 667557, 783414, 849618, 913983, 957506, 1038422, 1082466, 1175121, 1274427, 1335114, 1436259, 1557633, 1623699, 1827966, 2002671, 2350242, 2548854, 2741949, 2872518, 3115266, 3247398, 3351271, 4005342, 4308777, 4672899, 5266283, 5483898, 6702542, 8225847, 8617554, 9345798, 10053813, 10532566, 12926331, 14018697, 15798849, 16451694, 20107626, 25852662, 28037394, 30161439, 31597698, 36863981, 47396547, 60322878, 73727962, 90484317, 94793094, 110591943, 142189641, 180968634, 221183886, 284379282, 331775829, 663551658, 995327487, 1990654974]

約数ペア:

[(1, 1990654974), (2, 995327487), (3, 663551658), (6, 331775829), (7, 284379282), (9, 221183886), (11, 180968634), (14, 142189641), (18, 110591943), (21, 94793094), (22, 90484317), (27, 73727962), (33, 60322878), (42, 47396547), (54, 36863981), (63, 31597698), (66, 30161439), (71, 28037394), (77, 25852662), (99, 20107626), (121, 16451694), (126, 15798849), (142, 14018697), (154, 12926331), (189, 10532566), (198, 10053813), (213, 9345798), (231, 8617554), (242, 8225847), (297, 6702542), (363, 5483898), (378, 5266283), (426, 4672899), (462, 4308777), (497, 4005342), (594, 3351271), (613, 3247398), (639, 3115266), (693, 2872518), (726, 2741949), (781, 2548854), (847, 2350242), (994, 2002671), (1089, 1827966), (1226, 1623699), (1278, 1557633), (1386, 1436259), (1491, 1335114), (1562, 1274427), (1694, 1175121), (1839, 1082466), (1917, 1038422), (2079, 957506), (2178, 913983), (2343, 849618), (2541, 783414), (2982, 667557), (3267, 609322), (3678, 541233), (3834, 519211), (4158, 478753), (4291, 463914), (4473, 445038), (4686, 424809), (5082, 391707), (5467, 364122), (5517, 360822), (6534, 304661), (6743, 295218), (7029, 283206), (7623, 261138), (8582, 231957), (8591, 231714), (8946, 222519), (10934, 182061), (11034, 180411), (12873, 154638), (13419, 148346), (13486, 147609), (14058, 141603), (15246, 130569), (16401, 121374), (16551, 120274), (17182, 115857), (20229, 98406), (21087, 94402), (22869, 87046), (25746, 77319), (25773, 77238), (26838, 74173), (32802, 60687), (33102, 60137), (38619, 51546), (40458, 49203), (42174, 47201), (43523, 45738)]