339944870

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{80747}}^1$

素因数の和:81175

約数の個数: 16

約数和(自身を含む): 613361808

約数和(自身を除く): 273416938

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 80747, 161494, 403735, 807470, 33994487, 67988974, 169972435, 339944870]

約数ペア:

[(1, 339944870), (2, 169972435), (5, 67988974), (10, 33994487), (421, 807470), (842, 403735), (2105, 161494), (4210, 80747)]