137436740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{981691}}^1$

素因数の和:981707

約数の個数: 24

約数和(自身を含む): 329848512

約数和(自身を除く): 192411772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 981691, 1963382, 3926764, 4908455, 6871837, 9816910, 13743674, 19633820, 27487348, 34359185, 68718370, 137436740]

約数ペア:

[(1, 137436740), (2, 68718370), (4, 34359185), (5, 27487348), (7, 19633820), (10, 13743674), (14, 9816910), (20, 6871837), (28, 4908455), (35, 3926764), (70, 1963382), (140, 981691)]