1280430292

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{829}}^1\times {\mathrm{20323}}^1$

素因数の和:21175

約数の個数: 24

約数和(自身を含む): 2361648800

約数和(自身を除く): 1081218508

約数列:

[1, 2, 4, 19, 38, 76, 829, 1658, 3316, 15751, 20323, 31502, 40646, 63004, 81292, 386137, 772274, 1544548, 16847767, 33695534, 67391068, 320107573, 640215146, 1280430292]

約数ペア:

[(1, 1280430292), (2, 640215146), (4, 320107573), (19, 67391068), (38, 33695534), (76, 16847767), (829, 1544548), (1658, 772274), (3316, 386137), (15751, 81292), (20323, 63004), (31502, 40646)]