87916360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{313987}}^1$

素因数の和:314005

約数の個数: 32

約数和(自身を含む): 226071360

約数和(自身を除く): 138155000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 313987, 627974, 1255948, 1569935, 2197909, 2511896, 3139870, 4395818, 6279740, 8791636, 10989545, 12559480, 17583272, 21979090, 43958180, 87916360]

約数ペア:

[(1, 87916360), (2, 43958180), (4, 21979090), (5, 17583272), (7, 12559480), (8, 10989545), (10, 8791636), (14, 6279740), (20, 4395818), (28, 3139870), (35, 2511896), (40, 2197909), (56, 1569935), (70, 1255948), (140, 627974), (280, 313987)]