211480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 505440

約数和(自身を除く): 293960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 311, 340, 622, 680, 1244, 1555, 2488, 3110, 5287, 6220, 10574, 12440, 21148, 26435, 42296, 52870, 105740, 211480]

約数ペア:

[(1, 211480), (2, 105740), (4, 52870), (5, 42296), (8, 26435), (10, 21148), (17, 12440), (20, 10574), (34, 6220), (40, 5287), (68, 3110), (85, 2488), (136, 1555), (170, 1244), (311, 680), (340, 622)]