2989490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{6101}}^1$

素因数の和:6122

約数の個数: 24

約数和(自身を含む): 6260652

約数和(自身を除く): 3271162

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 6101, 12202, 30505, 42707, 61010, 85414, 213535, 298949, 427070, 597898, 1494745, 2989490]

約数ペア:

[(1, 2989490), (2, 1494745), (5, 597898), (7, 427070), (10, 298949), (14, 213535), (35, 85414), (49, 61010), (70, 42707), (98, 30505), (245, 12202), (490, 6101)]