145731460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1040939}}^1$

素因数の和:1040955

約数の個数: 24

約数和(自身を含む): 349755840

約数和(自身を除く): 204024380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1040939, 2081878, 4163756, 5204695, 7286573, 10409390, 14573146, 20818780, 29146292, 36432865, 72865730, 145731460]

約数ペア:

[(1, 145731460), (2, 72865730), (4, 36432865), (5, 29146292), (7, 20818780), (10, 14573146), (14, 10409390), (20, 7286573), (28, 5204695), (35, 4163756), (70, 2081878), (140, 1040939)]