314090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{641}}^1$

素因数の和:662

約数の個数: 24

約数和(自身を含む): 658692

約数和(自身を除く): 344602

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 641, 1282, 3205, 4487, 6410, 8974, 22435, 31409, 44870, 62818, 157045, 314090]

約数ペア:

[(1, 314090), (2, 157045), (5, 62818), (7, 44870), (10, 31409), (14, 22435), (35, 8974), (49, 6410), (70, 4487), (98, 3205), (245, 1282), (490, 641)]