389968630

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{10687}}^1$

素因数の和:10824

約数の個数: 32

約数和(自身を含む): 727211520

約数和(自身を除く): 337242890

約数列:

[1, 2, 5, 10, 41, 82, 89, 178, 205, 410, 445, 890, 3649, 7298, 10687, 18245, 21374, 36490, 53435, 106870, 438167, 876334, 951143, 1902286, 2190835, 4381670, 4755715, 9511430, 38996863, 77993726, 194984315, 389968630]

約数ペア:

[(1, 389968630), (2, 194984315), (5, 77993726), (10, 38996863), (41, 9511430), (82, 4755715), (89, 4381670), (178, 2190835), (205, 1902286), (410, 951143), (445, 876334), (890, 438167), (3649, 106870), (7298, 53435), (10687, 36490), (18245, 21374)]