399572390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1279}}^1\times {\mathrm{4463}}^1$

素因数の和:5756

約数の個数: 32

約数和(自身を含む): 822804480

約数和(自身を除く): 423232090

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1279, 2558, 4463, 6395, 8926, 8953, 12790, 17906, 22315, 31241, 44630, 44765, 62482, 89530, 156205, 312410, 5708177, 11416354, 28540885, 39957239, 57081770, 79914478, 199786195, 399572390]

約数ペア:

[(1, 399572390), (2, 199786195), (5, 79914478), (7, 57081770), (10, 39957239), (14, 28540885), (35, 11416354), (70, 5708177), (1279, 312410), (2558, 156205), (4463, 89530), (6395, 62482), (8926, 44765), (8953, 44630), (12790, 31241), (17906, 22315)]