31684340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{68879}}^1$

素因数の和:68911

約数の個数: 24

約数和(自身を含む): 69431040

約数和(自身を除く): 37746700

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 68879, 137758, 275516, 344395, 688790, 1377580, 1584217, 3168434, 6336868, 7921085, 15842170, 31684340]

約数ペア:

[(1, 31684340), (2, 15842170), (4, 7921085), (5, 6336868), (10, 3168434), (20, 1584217), (23, 1377580), (46, 688790), (92, 344395), (115, 275516), (230, 137758), (460, 68879)]