2843920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1871}}^1$

素因数の和:1903

約数の個数: 40

約数和(自身を含む): 6963840

約数和(自身を除く): 4119920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1871, 3742, 7484, 9355, 14968, 18710, 29936, 35549, 37420, 71098, 74840, 142196, 149680, 177745, 284392, 355490, 568784, 710980, 1421960, 2843920]

約数ペア:

[(1, 2843920), (2, 1421960), (4, 710980), (5, 568784), (8, 355490), (10, 284392), (16, 177745), (19, 149680), (20, 142196), (38, 74840), (40, 71098), (76, 37420), (80, 35549), (95, 29936), (152, 18710), (190, 14968), (304, 9355), (380, 7484), (760, 3742), (1520, 1871)]