2842780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7481}}^1$

素因数の和:7509

約数の個数: 24

約数和(自身を含む): 6284880

約数和(自身を除く): 3442100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 7481, 14962, 29924, 37405, 74810, 142139, 149620, 284278, 568556, 710695, 1421390, 2842780]

約数ペア:

[(1, 2842780), (2, 1421390), (4, 710695), (5, 568556), (10, 284278), (19, 149620), (20, 142139), (38, 74810), (76, 37405), (95, 29924), (190, 14962), (380, 7481)]