405020492

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{5329217}}^1$

素因数の和:5329240

約数の個数: 12

約数和(自身を含む): 746090520

約数和(自身を除く): 341070028

約数列:

[1, 2, 4, 19, 38, 76, 5329217, 10658434, 21316868, 101255123, 202510246, 405020492]

約数ペア:

[(1, 405020492), (2, 202510246), (4, 101255123), (19, 21316868), (38, 10658434), (76, 5329217)]