388632020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2775943}}^1$

素因数の和:2775959

約数の個数: 24

約数和(自身を含む): 932717184

約数和(自身を除く): 544085164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2775943, 5551886, 11103772, 13879715, 19431601, 27759430, 38863202, 55518860, 77726404, 97158005, 194316010, 388632020]

約数ペア:

[(1, 388632020), (2, 194316010), (4, 97158005), (5, 77726404), (7, 55518860), (10, 38863202), (14, 27759430), (20, 19431601), (28, 13879715), (35, 11103772), (70, 5551886), (140, 2775943)]