89443480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{319441}}^1$

素因数の和:319459

約数の個数: 32

約数和(自身を含む): 229998240

約数和(自身を除く): 140554760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 319441, 638882, 1277764, 1597205, 2236087, 2555528, 3194410, 4472174, 6388820, 8944348, 11180435, 12777640, 17888696, 22360870, 44721740, 89443480]

約数ペア:

[(1, 89443480), (2, 44721740), (4, 22360870), (5, 17888696), (7, 12777640), (8, 11180435), (10, 8944348), (14, 6388820), (20, 4472174), (28, 3194410), (35, 2555528), (40, 2236087), (56, 1597205), (70, 1277764), (140, 638882), (280, 319441)]