247395220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{727633}}^1$

素因数の和:727659

約数の個数: 24

約数和(自身を含む): 550091304

約数和(自身を除く): 302696084

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 727633, 1455266, 2910532, 3638165, 7276330, 12369761, 14552660, 24739522, 49479044, 61848805, 123697610, 247395220]

約数ペア:

[(1, 247395220), (2, 123697610), (4, 61848805), (5, 49479044), (10, 24739522), (17, 14552660), (20, 12369761), (34, 7276330), (68, 3638165), (85, 2910532), (170, 1455266), (340, 727633)]