155703940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1112171}}^1$

素因数の和:1112187

約数の個数: 24

約数和(自身を含む): 373689792

約数和(自身を除く): 217985852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1112171, 2224342, 4448684, 5560855, 7785197, 11121710, 15570394, 22243420, 31140788, 38925985, 77851970, 155703940]

約数ペア:

[(1, 155703940), (2, 77851970), (4, 38925985), (5, 31140788), (7, 22243420), (10, 15570394), (14, 11121710), (20, 7785197), (28, 5560855), (35, 4448684), (70, 2224342), (140, 1112171)]