71540140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{511001}}^1$

素因数の和:511017

約数の個数: 24

約数和(自身を含む): 171696672

約数和(自身を除く): 100156532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 511001, 1022002, 2044004, 2555005, 3577007, 5110010, 7154014, 10220020, 14308028, 17885035, 35770070, 71540140]

約数ペア:

[(1, 71540140), (2, 35770070), (4, 17885035), (5, 14308028), (7, 10220020), (10, 7154014), (14, 5110010), (20, 3577007), (28, 2555005), (35, 2044004), (70, 1022002), (140, 511001)]