137370940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{981221}}^1$

素因数の和:981237

約数の個数: 24

約数和(自身を含む): 329690592

約数和(自身を除く): 192319652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 981221, 1962442, 3924884, 4906105, 6868547, 9812210, 13737094, 19624420, 27474188, 34342735, 68685470, 137370940]

約数ペア:

[(1, 137370940), (2, 68685470), (4, 34342735), (5, 27474188), (7, 19624420), (10, 13737094), (14, 9812210), (20, 6868547), (28, 4906105), (35, 3924884), (70, 1962442), (140, 981221)]