279011180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1992937}}^1$

素因数の和:1992953

約数の個数: 24

約数和(自身を含む): 669627168

約数和(自身を除く): 390615988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1992937, 3985874, 7971748, 9964685, 13950559, 19929370, 27901118, 39858740, 55802236, 69752795, 139505590, 279011180]

約数ペア:

[(1, 279011180), (2, 139505590), (4, 69752795), (5, 55802236), (7, 39858740), (10, 27901118), (14, 19929370), (20, 13950559), (28, 9964685), (35, 7971748), (70, 3985874), (140, 1992937)]