30380140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{217001}}^1$

素因数の和:217017

約数の個数: 24

約数和(自身を含む): 72912672

約数和(自身を除く): 42532532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 217001, 434002, 868004, 1085005, 1519007, 2170010, 3038014, 4340020, 6076028, 7595035, 15190070, 30380140]

約数ペア:

[(1, 30380140), (2, 15190070), (4, 7595035), (5, 6076028), (7, 4340020), (10, 3038014), (14, 2170010), (20, 1519007), (28, 1085005), (35, 868004), (70, 434002), (140, 217001)]