76720420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{548003}}^1$

素因数の和:548019

約数の個数: 24

約数和(自身を含む): 184129344

約数和(自身を除く): 107408924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 548003, 1096006, 2192012, 2740015, 3836021, 5480030, 7672042, 10960060, 15344084, 19180105, 38360210, 76720420]

約数ペア:

[(1, 76720420), (2, 38360210), (4, 19180105), (5, 15344084), (7, 10960060), (10, 7672042), (14, 5480030), (20, 3836021), (28, 2740015), (35, 2192012), (70, 1096006), (140, 548003)]