490982860

素因数分解:

$2^2\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{16487}}^1$

素因数の和:17985

約数の個数: 24

約数和(自身を含む): 1031819040

約数和(自身を除く): 540836180

約数列:

[1, 2, 4, 5, 10, 20, 1489, 2978, 5956, 7445, 14890, 16487, 29780, 32974, 65948, 82435, 164870, 329740, 24549143, 49098286, 98196572, 122745715, 245491430, 490982860]

約数ペア:

[(1, 490982860), (2, 245491430), (4, 122745715), (5, 98196572), (10, 49098286), (20, 24549143), (1489, 329740), (2978, 164870), (5956, 82435), (7445, 65948), (14890, 32974), (16487, 29780)]