105640780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{754577}}^1$

素因数の和:754593

約数の個数: 24

約数和(自身を含む): 253538208

約数和(自身を除く): 147897428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 754577, 1509154, 3018308, 3772885, 5282039, 7545770, 10564078, 15091540, 21128156, 26410195, 52820390, 105640780]

約数ペア:

[(1, 105640780), (2, 52820390), (4, 26410195), (5, 21128156), (7, 15091540), (10, 10564078), (14, 7545770), (20, 5282039), (28, 3772885), (35, 3018308), (70, 1509154), (140, 754577)]