556352020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3973943}}^1$

素因数の和:3973959

約数の個数: 24

約数和(自身を含む): 1335245184

約数和(自身を除く): 778893164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3973943, 7947886, 15895772, 19869715, 27817601, 39739430, 55635202, 79478860, 111270404, 139088005, 278176010, 556352020]

約数ペア:

[(1, 556352020), (2, 278176010), (4, 139088005), (5, 111270404), (7, 79478860), (10, 55635202), (14, 39739430), (20, 27817601), (28, 19869715), (35, 15895772), (70, 7947886), (140, 3973943)]