142422910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{290659}}^1$

素因数の和:290680

約数の個数: 24

約数和(自身を含む): 298217160

約数和(自身を除く): 155794250

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 290659, 581318, 1453295, 2034613, 2906590, 4069226, 10173065, 14242291, 20346130, 28484582, 71211455, 142422910]

約数ペア:

[(1, 142422910), (2, 71211455), (5, 28484582), (7, 20346130), (10, 14242291), (14, 10173065), (35, 4069226), (49, 2906590), (70, 2034613), (98, 1453295), (245, 581318), (490, 290659)]