388181220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{924241}}^1$

素因数の和:924260

約数の個数: 48

約数和(自身を含む): 1242181248

約数和(自身を除く): 854000028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 924241, 1848482, 2772723, 3696964, 4621205, 5545446, 6469687, 9242410, 11090892, 12939374, 13863615, 18484820, 19409061, 25878748, 27727230, 32348435, 38818122, 55454460, 64696870, 77636244, 97045305, 129393740, 194090610, 388181220]

約数ペア:

[(1, 388181220), (2, 194090610), (3, 129393740), (4, 97045305), (5, 77636244), (6, 64696870), (7, 55454460), (10, 38818122), (12, 32348435), (14, 27727230), (15, 25878748), (20, 19409061), (21, 18484820), (28, 13863615), (30, 12939374), (35, 11090892), (42, 9242410), (60, 6469687), (70, 5545446), (84, 4621205), (105, 3696964), (140, 2772723), (210, 1848482), (420, 924241)]