289422910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{590659}}^1$

素因数の和:590680

約数の個数: 24

約数和(自身を含む): 606017160

約数和(自身を除く): 316594250

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 590659, 1181318, 2953295, 4134613, 5906590, 8269226, 20673065, 28942291, 41346130, 57884582, 144711455, 289422910]

約数ペア:

[(1, 289422910), (2, 144711455), (5, 57884582), (7, 41346130), (10, 28942291), (14, 20673065), (35, 8269226), (49, 5906590), (70, 4134613), (98, 2953295), (245, 1181318), (490, 590659)]