445340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3181}}^1$

素因数の和:3197

約数の個数: 24

約数和(自身を含む): 1069152

約数和(自身を除く): 623812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3181, 6362, 12724, 15905, 22267, 31810, 44534, 63620, 89068, 111335, 222670, 445340]

約数ペア:

[(1, 445340), (2, 222670), (4, 111335), (5, 89068), (7, 63620), (10, 44534), (14, 31810), (20, 22267), (28, 15905), (35, 12724), (70, 6362), (140, 3181)]