290940552

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{193}}^1\times {\mathrm{997}}^1$

素因数の和:1212

約数の個数: 128

約数和(自身を含む): 929337600

約数和(自身を除く): 638397048

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 193, 216, 252, 378, 386, 504, 579, 756, 772, 997, 1158, 1351, 1512, 1544, 1737, 1994, 2316, 2702, 2991, 3474, 3988, 4053, 4632, 5211, 5404, 5982, 6948, 6979, 7976, 8106, 8973, 10422, 10808, 11964, 12159, 13896, 13958, 16212, 17946, 20844, 20937, 23928, 24318, 26919, 27916, 32424, 35892, 36477, 41688, 41874, 48636, 53838, 55832, 62811, 71784, 72954, 83748, 97272, 107676, 125622, 145908, 167496, 188433, 192421, 215352, 251244, 291816, 376866, 384842, 502488, 577263, 753732, 769684, 1154526, 1346947, 1507464, 1539368, 1731789, 2309052, 2693894, 3463578, 4040841, 4618104, 5195367, 5387788, 6927156, 8081682, 10390734, 10775576, 12122523, 13854312, 16163364, 20781468, 24245046, 32326728, 36367569, 41562936, 48490092, 72735138, 96980184, 145470276, 290940552]

約数ペア:

[(1, 290940552), (2, 145470276), (3, 96980184), (4, 72735138), (6, 48490092), (7, 41562936), (8, 36367569), (9, 32326728), (12, 24245046), (14, 20781468), (18, 16163364), (21, 13854312), (24, 12122523), (27, 10775576), (28, 10390734), (36, 8081682), (42, 6927156), (54, 5387788), (56, 5195367), (63, 4618104), (72, 4040841), (84, 3463578), (108, 2693894), (126, 2309052), (168, 1731789), (189, 1539368), (193, 1507464), (216, 1346947), (252, 1154526), (378, 769684), (386, 753732), (504, 577263), (579, 502488), (756, 384842), (772, 376866), (997, 291816), (1158, 251244), (1351, 215352), (1512, 192421), (1544, 188433), (1737, 167496), (1994, 145908), (2316, 125622), (2702, 107676), (2991, 97272), (3474, 83748), (3988, 72954), (4053, 71784), (4632, 62811), (5211, 55832), (5404, 53838), (5982, 48636), (6948, 41874), (6979, 41688), (7976, 36477), (8106, 35892), (8973, 32424), (10422, 27916), (10808, 26919), (11964, 24318), (12159, 23928), (13896, 20937), (13958, 20844), (16212, 17946)]