142725980

素因数分解:

$2^2\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{5101}}^1$

素因数の和:6509

約数の個数: 24

約数和(自身を含む): 299997600

約数和(自身を除く): 157271620

約数列:

[1, 2, 4, 5, 10, 20, 1399, 2798, 5101, 5596, 6995, 10202, 13990, 20404, 25505, 27980, 51010, 102020, 7136299, 14272598, 28545196, 35681495, 71362990, 142725980]

約数ペア:

[(1, 142725980), (2, 71362990), (4, 35681495), (5, 28545196), (10, 14272598), (20, 7136299), (1399, 102020), (2798, 51010), (5101, 27980), (5596, 25505), (6995, 20404), (10202, 13990)]