79778020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{569843}}^1$

素因数の和:569859

約数の個数: 24

約数和(自身を含む): 191467584

約数和(自身を除く): 111689564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 569843, 1139686, 2279372, 2849215, 3988901, 5698430, 7977802, 11396860, 15955604, 19944505, 39889010, 79778020]

約数ペア:

[(1, 79778020), (2, 39889010), (4, 19944505), (5, 15955604), (7, 11396860), (10, 7977802), (14, 5698430), (20, 3988901), (28, 2849215), (35, 2279372), (70, 1139686), (140, 569843)]