1990334094

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{479}}^1$

素因数の和:678

約数の個数: 128

約数和(自身を含む): 4954521600

約数和(自身を除く): 2964187506

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 41, 42, 57, 82, 114, 123, 127, 133, 246, 254, 266, 287, 381, 399, 479, 574, 762, 779, 798, 861, 889, 958, 1437, 1558, 1722, 1778, 2337, 2413, 2667, 2874, 3353, 4674, 4826, 5207, 5334, 5453, 6706, 7239, 9101, 10059, 10414, 10906, 14478, 15621, 16359, 16891, 18202, 19639, 20118, 27303, 31242, 32718, 33782, 36449, 39278, 50673, 54606, 58917, 60833, 63707, 72898, 98933, 101346, 109347, 117834, 121666, 127414, 137473, 182499, 191121, 197866, 218694, 274946, 296799, 364998, 373141, 382242, 412419, 425831, 593598, 692531, 746282, 824838, 851662, 1119423, 1155827, 1277493, 1385062, 2077593, 2238846, 2311654, 2494153, 2554986, 2611987, 3467481, 4155186, 4988306, 5223974, 6934962, 7482459, 7835961, 8090789, 14964918, 15671922, 16181578, 17459071, 24272367, 34918142, 47388907, 48544734, 52377213, 94777814, 104754426, 142166721, 284333442, 331722349, 663444698, 995167047, 1990334094]

約数ペア:

[(1, 1990334094), (2, 995167047), (3, 663444698), (6, 331722349), (7, 284333442), (14, 142166721), (19, 104754426), (21, 94777814), (38, 52377213), (41, 48544734), (42, 47388907), (57, 34918142), (82, 24272367), (114, 17459071), (123, 16181578), (127, 15671922), (133, 14964918), (246, 8090789), (254, 7835961), (266, 7482459), (287, 6934962), (381, 5223974), (399, 4988306), (479, 4155186), (574, 3467481), (762, 2611987), (779, 2554986), (798, 2494153), (861, 2311654), (889, 2238846), (958, 2077593), (1437, 1385062), (1558, 1277493), (1722, 1155827), (1778, 1119423), (2337, 851662), (2413, 824838), (2667, 746282), (2874, 692531), (3353, 593598), (4674, 425831), (4826, 412419), (5207, 382242), (5334, 373141), (5453, 364998), (6706, 296799), (7239, 274946), (9101, 218694), (10059, 197866), (10414, 191121), (10906, 182499), (14478, 137473), (15621, 127414), (16359, 121666), (16891, 117834), (18202, 109347), (19639, 101346), (20118, 98933), (27303, 72898), (31242, 63707), (32718, 60833), (33782, 58917), (36449, 54606), (39278, 50673)]