38318840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1279}}^1$

素因数の和:1404

約数の個数: 64

約数和(自身を含む): 99532800

約数和(自身を除く): 61213960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 535, 749, 856, 1070, 1279, 1498, 2140, 2558, 2996, 3745, 4280, 5116, 5992, 6395, 7490, 8953, 10232, 12790, 14980, 17906, 25580, 29960, 35812, 44765, 51160, 71624, 89530, 136853, 179060, 273706, 358120, 547412, 684265, 957971, 1094824, 1368530, 1915942, 2737060, 3831884, 4789855, 5474120, 7663768, 9579710, 19159420, 38318840]

約数ペア:

[(1, 38318840), (2, 19159420), (4, 9579710), (5, 7663768), (7, 5474120), (8, 4789855), (10, 3831884), (14, 2737060), (20, 1915942), (28, 1368530), (35, 1094824), (40, 957971), (56, 684265), (70, 547412), (107, 358120), (140, 273706), (214, 179060), (280, 136853), (428, 89530), (535, 71624), (749, 51160), (856, 44765), (1070, 35812), (1279, 29960), (1498, 25580), (2140, 17906), (2558, 14980), (2996, 12790), (3745, 10232), (4280, 8953), (5116, 7490), (5992, 6395)]