4439660

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1597}}^1$

素因数の和:1745

約数の個数: 24

約数和(自身を含む): 9396240

約数和(自身を除く): 4956580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 1597, 2780, 3194, 6388, 7985, 15970, 31940, 221983, 443966, 887932, 1109915, 2219830, 4439660]

約数ペア:

[(1, 4439660), (2, 2219830), (4, 1109915), (5, 887932), (10, 443966), (20, 221983), (139, 31940), (278, 15970), (556, 7985), (695, 6388), (1390, 3194), (1597, 2780)]