40149130

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{81937}}^1$

素因数の和:81958

約数の個数: 24

約数和(自身を含む): 84068388

約数和(自身を除く): 43919258

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 81937, 163874, 409685, 573559, 819370, 1147118, 2867795, 4014913, 5735590, 8029826, 20074565, 40149130]

約数ペア:

[(1, 40149130), (2, 20074565), (5, 8029826), (7, 5735590), (10, 4014913), (14, 2867795), (35, 1147118), (49, 819370), (70, 573559), (98, 409685), (245, 163874), (490, 81937)]