211190

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{431}}^1$

素因数の和:452

約数の個数: 24

約数和(自身を含む): 443232

約数和(自身を除く): 232042

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 431, 490, 862, 2155, 3017, 4310, 6034, 15085, 21119, 30170, 42238, 105595, 211190]

約数ペア:

[(1, 211190), (2, 105595), (5, 42238), (7, 30170), (10, 21119), (14, 15085), (35, 6034), (49, 4310), (70, 3017), (98, 2155), (245, 862), (431, 490)]