89441240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{319433}}^1$

素因数の和:319451

約数の個数: 32

約数和(自身を含む): 229992480

約数和(自身を除く): 140551240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 319433, 638866, 1277732, 1597165, 2236031, 2555464, 3194330, 4472062, 6388660, 8944124, 11180155, 12777320, 17888248, 22360310, 44720620, 89441240]

約数ペア:

[(1, 89441240), (2, 44720620), (4, 22360310), (5, 17888248), (7, 12777320), (8, 11180155), (10, 8944124), (14, 6388660), (20, 4472062), (28, 3194330), (35, 2555464), (40, 2236031), (56, 1597165), (70, 1277732), (140, 638866), (280, 319433)]