28049140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{200351}}^1$

素因数の和:200367

約数の個数: 24

約数和(自身を含む): 67318272

約数和(自身を除く): 39269132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 200351, 400702, 801404, 1001755, 1402457, 2003510, 2804914, 4007020, 5609828, 7012285, 14024570, 28049140]

約数ペア:

[(1, 28049140), (2, 14024570), (4, 7012285), (5, 5609828), (7, 4007020), (10, 2804914), (14, 2003510), (20, 1402457), (28, 1001755), (35, 801404), (70, 400702), (140, 200351)]