821621080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2934361}}^1$

素因数の和:2934379

約数の個数: 32

約数和(自身を含む): 2112740640

約数和(自身を除く): 1291119560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2934361, 5868722, 11737444, 14671805, 20540527, 23474888, 29343610, 41081054, 58687220, 82162108, 102702635, 117374440, 164324216, 205405270, 410810540, 821621080]

約数ペア:

[(1, 821621080), (2, 410810540), (4, 205405270), (5, 164324216), (7, 117374440), (8, 102702635), (10, 82162108), (14, 58687220), (20, 41081054), (28, 29343610), (35, 23474888), (40, 20540527), (56, 14671805), (70, 11737444), (140, 5868722), (280, 2934361)]