4391240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{15683}}^1$

素因数の和:15701

約数の個数: 32

約数和(自身を含む): 11292480

約数和(自身を除く): 6901240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 15683, 31366, 62732, 78415, 109781, 125464, 156830, 219562, 313660, 439124, 548905, 627320, 878248, 1097810, 2195620, 4391240]

約数ペア:

[(1, 4391240), (2, 2195620), (4, 1097810), (5, 878248), (7, 627320), (8, 548905), (10, 439124), (14, 313660), (20, 219562), (28, 156830), (35, 125464), (40, 109781), (56, 78415), (70, 62732), (140, 31366), (280, 15683)]