137405380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{981467}}^1$

素因数の和:981483

約数の個数: 24

約数和(自身を含む): 329773248

約数和(自身を除く): 192367868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 981467, 1962934, 3925868, 4907335, 6870269, 9814670, 13740538, 19629340, 27481076, 34351345, 68702690, 137405380]

約数ペア:

[(1, 137405380), (2, 68702690), (4, 34351345), (5, 27481076), (7, 19629340), (10, 13740538), (14, 9814670), (20, 6870269), (28, 4907335), (35, 3925868), (70, 1962934), (140, 981467)]