74438140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{531701}}^1$

素因数の和:531717

約数の個数: 24

約数和(自身を含む): 178651872

約数和(自身を除く): 104213732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 531701, 1063402, 2126804, 2658505, 3721907, 5317010, 7443814, 10634020, 14887628, 18609535, 37219070, 74438140]

約数ペア:

[(1, 74438140), (2, 37219070), (4, 18609535), (5, 14887628), (7, 10634020), (10, 7443814), (14, 5317010), (20, 3721907), (28, 2658505), (35, 2126804), (70, 1063402), (140, 531701)]