28774270

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{8389}}^1$

素因数の和:8417

約数の個数: 32

約数和(自身を含む): 60408000

約数和(自身を除く): 31633730

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 8389, 16778, 41945, 58723, 83890, 117446, 293615, 411061, 587230, 822122, 2055305, 2877427, 4110610, 5754854, 14387135, 28774270]

約数ペア:

[(1, 28774270), (2, 14387135), (5, 5754854), (7, 4110610), (10, 2877427), (14, 2055305), (35, 822122), (49, 587230), (70, 411061), (98, 293615), (245, 117446), (343, 83890), (490, 58723), (686, 41945), (1715, 16778), (3430, 8389)]