256989740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1033}}^1\times {\mathrm{1777}}^1$

素因数の和:2826

約数の個数: 48

約数和(自身を含む): 617719872

約数和(自身を除く): 360730132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1033, 1777, 2066, 3554, 4132, 5165, 7108, 7231, 8885, 10330, 12439, 14462, 17770, 20660, 24878, 28924, 35540, 36155, 49756, 62195, 72310, 124390, 144620, 248780, 1835641, 3671282, 7342564, 9178205, 12849487, 18356410, 25698974, 36712820, 51397948, 64247435, 128494870, 256989740]

約数ペア:

[(1, 256989740), (2, 128494870), (4, 64247435), (5, 51397948), (7, 36712820), (10, 25698974), (14, 18356410), (20, 12849487), (28, 9178205), (35, 7342564), (70, 3671282), (140, 1835641), (1033, 248780), (1777, 144620), (2066, 124390), (3554, 72310), (4132, 62195), (5165, 49756), (7108, 36155), (7231, 35540), (8885, 28924), (10330, 24878), (12439, 20660), (14462, 17770)]