143746280

素因数分解:

$2^3\times 5^1\times {\mathrm{1787}}^1\times {\mathrm{2011}}^1$

素因数の和:3809

約数の個数: 32

約数和(自身を含む): 323771040

約数和(自身を除く): 180024760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1787, 2011, 3574, 4022, 7148, 8044, 8935, 10055, 14296, 16088, 17870, 20110, 35740, 40220, 71480, 80440, 3593657, 7187314, 14374628, 17968285, 28749256, 35936570, 71873140, 143746280]

約数ペア:

[(1, 143746280), (2, 71873140), (4, 35936570), (5, 28749256), (8, 17968285), (10, 14374628), (20, 7187314), (40, 3593657), (1787, 80440), (2011, 71480), (3574, 40220), (4022, 35740), (7148, 20110), (8044, 17870), (8935, 16088), (10055, 14296)]