1285340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9181}}^1$

素因数の和:9197

約数の個数: 24

約数和(自身を含む): 3085152

約数和(自身を除く): 1799812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9181, 18362, 36724, 45905, 64267, 91810, 128534, 183620, 257068, 321335, 642670, 1285340]

約数ペア:

[(1, 1285340), (2, 642670), (4, 321335), (5, 257068), (7, 183620), (10, 128534), (14, 91810), (20, 64267), (28, 45905), (35, 36724), (70, 18362), (140, 9181)]