217070

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{443}}^1$

素因数の和:464

約数の個数: 24

約数和(自身を含む): 455544

約数和(自身を除く): 238474

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 443, 490, 886, 2215, 3101, 4430, 6202, 15505, 21707, 31010, 43414, 108535, 217070]

約数ペア:

[(1, 217070), (2, 108535), (5, 43414), (7, 31010), (10, 21707), (14, 15505), (35, 6202), (49, 4430), (70, 3101), (98, 2215), (245, 886), (443, 490)]