42841540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{306011}}^1$

素因数の和:306027

約数の個数: 24

約数和(自身を含む): 102820032

約数和(自身を除く): 59978492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 306011, 612022, 1224044, 1530055, 2142077, 3060110, 4284154, 6120220, 8568308, 10710385, 21420770, 42841540]

約数ペア:

[(1, 42841540), (2, 21420770), (4, 10710385), (5, 8568308), (7, 6120220), (10, 4284154), (14, 3060110), (20, 2142077), (28, 1530055), (35, 1224044), (70, 612022), (140, 306011)]