69810181.000000000

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{20939}}^1$

素因数の和:20974

約数の個数: 60

約数和(自身を含む): 518013720

約数和(自身を除く): 304603432

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 364, 392, 637, 728, 784, 1274, 1456, 2548, 5096, 10192, 20939, 41878, 83756, 146573, 167512, 272207, 293146, 335024, 544414, 586292, 1026011, 1088828, 1172584, 1905449, 2052022, 2177656, 2345168, 3810898, 4104044, 4355312, 7621796, 8208088, 13338143, 15243592, 16416176, 26676286, 30487184, 53352572, 106705144, 213410288]

約数ペア:

[(1, 213410288), (2, 106705144), (4, 53352572), (7, 30487184), (8, 26676286), (13, 16416176), (14, 15243592), (16, 13338143), (26, 8208088), (28, 7621796), (49, 4355312), (52, 4104044), (56, 3810898), (91, 2345168), (98, 2177656), (104, 2052022), (112, 1905449), (182, 1172584), (196, 1088828), (208, 1026011), (364, 586292), (392, 544414), (637, 335024), (728, 293146), (784, 272207), (1274, 167512), (1456, 146573), (2548, 83756), (5096, 41878), (10192, 20939)]