28710710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21587}}^1$

素因数の和:21620

約数の個数: 32

約数和(自身を含む): 62173440

約数和(自身を除く): 33462730

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 21587, 43174, 107935, 151109, 215870, 302218, 410153, 755545, 820306, 1511090, 2050765, 2871071, 4101530, 5742142, 14355355, 28710710]

約数ペア:

[(1, 28710710), (2, 14355355), (5, 5742142), (7, 4101530), (10, 2871071), (14, 2050765), (19, 1511090), (35, 820306), (38, 755545), (70, 410153), (95, 302218), (133, 215870), (190, 151109), (266, 107935), (665, 43174), (1330, 21587)]