71268820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509063}}^1$

素因数の和:509079

約数の個数: 24

約数和(自身を含む): 171045504

約数和(自身を除く): 99776684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509063, 1018126, 2036252, 2545315, 3563441, 5090630, 7126882, 10181260, 14253764, 17817205, 35634410, 71268820]

約数ペア:

[(1, 71268820), (2, 35634410), (4, 17817205), (5, 14253764), (7, 10181260), (10, 7126882), (14, 5090630), (20, 3563441), (28, 2545315), (35, 2036252), (70, 1018126), (140, 509063)]