90716360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{323987}}^1$

素因数の和:324005

約数の個数: 32

約数和(自身を含む): 233271360

約数和(自身を除く): 142555000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 323987, 647974, 1295948, 1619935, 2267909, 2591896, 3239870, 4535818, 6479740, 9071636, 11339545, 12959480, 18143272, 22679090, 45358180, 90716360]

約数ペア:

[(1, 90716360), (2, 45358180), (4, 22679090), (5, 18143272), (7, 12959480), (8, 11339545), (10, 9071636), (14, 6479740), (20, 4535818), (28, 3239870), (35, 2591896), (40, 2267909), (56, 1619935), (70, 1295948), (140, 647974), (280, 323987)]