78104740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{557891}}^1$

素因数の和:557907

約数の個数: 24

約数和(自身を含む): 187451712

約数和(自身を除く): 109346972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 557891, 1115782, 2231564, 2789455, 3905237, 5578910, 7810474, 11157820, 15620948, 19526185, 39052370, 78104740]

約数ペア:

[(1, 78104740), (2, 39052370), (4, 19526185), (5, 15620948), (7, 11157820), (10, 7810474), (14, 5578910), (20, 3905237), (28, 2789455), (35, 2231564), (70, 1115782), (140, 557891)]