31300780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223577}}^1$

素因数の和:223593

約数の個数: 24

約数和(自身を含む): 75122208

約数和(自身を除く): 43821428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223577, 447154, 894308, 1117885, 1565039, 2235770, 3130078, 4471540, 6260156, 7825195, 15650390, 31300780]

約数ペア:

[(1, 31300780), (2, 15650390), (4, 7825195), (5, 6260156), (7, 4471540), (10, 3130078), (14, 2235770), (20, 1565039), (28, 1117885), (35, 894308), (70, 447154), (140, 223577)]