140309440

素因数分解:

$2^6\times 5^1\times {\mathrm{438467}}^1$

素因数の和:438484

約数の個数: 28

約数和(自身を含む): 334112616

約数和(自身を除く): 193803176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 438467, 876934, 1753868, 2192335, 3507736, 4384670, 7015472, 8769340, 14030944, 17538680, 28061888, 35077360, 70154720, 140309440]

約数ペア:

[(1, 140309440), (2, 70154720), (4, 35077360), (5, 28061888), (8, 17538680), (10, 14030944), (16, 8769340), (20, 7015472), (32, 4384670), (40, 3507736), (64, 2192335), (80, 1753868), (160, 876934), (320, 438467)]