3909980

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1427}}^1$

素因数の和:1573

約数の個数: 24

約数和(自身を含む): 8276688

約数和(自身を除く): 4366708

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 1427, 2740, 2854, 5708, 7135, 14270, 28540, 195499, 390998, 781996, 977495, 1954990, 3909980]

約数ペア:

[(1, 3909980), (2, 1954990), (4, 977495), (5, 781996), (10, 390998), (20, 195499), (137, 28540), (274, 14270), (548, 7135), (685, 5708), (1370, 2854), (1427, 2740)]