1909306070

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{409}}^1\times {\mathrm{1361}}^1$

素因数の和:1798

約数の個数: 64

約数和(自身を含む): 4020624000

約数和(自身を除く): 2111317930

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 409, 490, 686, 818, 1361, 1715, 2045, 2722, 2863, 3430, 4090, 5726, 6805, 9527, 13610, 14315, 19054, 20041, 28630, 40082, 47635, 66689, 95270, 100205, 133378, 140287, 200410, 280574, 333445, 466823, 556649, 666890, 701435, 933646, 1113298, 1402870, 2334115, 2783245, 3896543, 4668230, 5566490, 7793086, 19482715, 27275801, 38965430, 54551602, 136379005, 190930607, 272758010, 381861214, 954653035, 1909306070]

約数ペア:

[(1, 1909306070), (2, 954653035), (5, 381861214), (7, 272758010), (10, 190930607), (14, 136379005), (35, 54551602), (49, 38965430), (70, 27275801), (98, 19482715), (245, 7793086), (343, 5566490), (409, 4668230), (490, 3896543), (686, 2783245), (818, 2334115), (1361, 1402870), (1715, 1113298), (2045, 933646), (2722, 701435), (2863, 666890), (3430, 556649), (4090, 466823), (5726, 333445), (6805, 280574), (9527, 200410), (13610, 140287), (14315, 133378), (19054, 100205), (20041, 95270), (28630, 66689), (40082, 47635)]