145460140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1039001}}^1$

素因数の和:1039017

約数の個数: 24

約数和(自身を含む): 349104672

約数和(自身を除く): 203644532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1039001, 2078002, 4156004, 5195005, 7273007, 10390010, 14546014, 20780020, 29092028, 36365035, 72730070, 145460140]

約数ペア:

[(1, 145460140), (2, 72730070), (4, 36365035), (5, 29092028), (7, 20780020), (10, 14546014), (14, 10390010), (20, 7273007), (28, 5195005), (35, 4156004), (70, 2078002), (140, 1039001)]