289011020

素因数分解:

$2^2\times 5^1\times {\mathrm{2963}}^1\times {\mathrm{4877}}^1$

素因数の和:7849

約数の個数: 24

約数和(自身を含む): 607252464

約数和(自身を除く): 318241444

約数列:

[1, 2, 4, 5, 10, 20, 2963, 4877, 5926, 9754, 11852, 14815, 19508, 24385, 29630, 48770, 59260, 97540, 14450551, 28901102, 57802204, 72252755, 144505510, 289011020]

約数ペア:

[(1, 289011020), (2, 144505510), (4, 72252755), (5, 57802204), (10, 28901102), (20, 14450551), (2963, 97540), (4877, 59260), (5926, 48770), (9754, 29630), (11852, 24385), (14815, 19508)]