12278140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{87701}}^1$

素因数の和:87717

約数の個数: 24

約数和(自身を含む): 29467872

約数和(自身を除く): 17189732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 87701, 175402, 350804, 438505, 613907, 877010, 1227814, 1754020, 2455628, 3069535, 6139070, 12278140]

約数ペア:

[(1, 12278140), (2, 6139070), (4, 3069535), (5, 2455628), (7, 1754020), (10, 1227814), (14, 877010), (20, 613907), (28, 438505), (35, 350804), (70, 175402), (140, 87701)]