1117540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{787}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 2382912

約数和(自身を除く): 1265372

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 787, 1420, 1574, 3148, 3935, 7870, 15740, 55877, 111754, 223508, 279385, 558770, 1117540]

約数ペア:

[(1, 1117540), (2, 558770), (4, 279385), (5, 223508), (10, 111754), (20, 55877), (71, 15740), (142, 7870), (284, 3935), (355, 3148), (710, 1574), (787, 1420)]