77443940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{553171}}^1$

素因数の和:553187

約数の個数: 24

約数和(自身を含む): 185865792

約数和(自身を除く): 108421852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 553171, 1106342, 2212684, 2765855, 3872197, 5531710, 7744394, 11063420, 15488788, 19360985, 38721970, 77443940]

約数ペア:

[(1, 77443940), (2, 38721970), (4, 19360985), (5, 15488788), (7, 11063420), (10, 7744394), (14, 5531710), (20, 3872197), (28, 2765855), (35, 2212684), (70, 1106342), (140, 553171)]