490697072

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{281363}}^1$

素因数の和:281480

約数の個数: 20

約数和(自身を含む): 959451240

約数和(自身を除く): 468754168

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 281363, 562726, 1125452, 2250904, 4501808, 30668567, 61337134, 122674268, 245348536, 490697072]

約数ペア:

[(1, 490697072), (2, 245348536), (4, 122674268), (8, 61337134), (16, 30668567), (109, 4501808), (218, 2250904), (436, 1125452), (872, 562726), (1744, 281363)]