3942860

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1439}}^1$

素因数の和:1585

約数の個数: 24

約数和(自身を含む): 8346240

約数和(自身を除く): 4403380

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 1439, 2740, 2878, 5756, 7195, 14390, 28780, 197143, 394286, 788572, 985715, 1971430, 3942860]

約数ペア:

[(1, 3942860), (2, 1971430), (4, 985715), (5, 788572), (10, 394286), (20, 197143), (137, 28780), (274, 14390), (548, 7195), (685, 5756), (1370, 2878), (1439, 2740)]