71361800

素因数分解:

$2^3\times 5^2\times {\mathrm{509}}^1\times {\mathrm{701}}^1$

素因数の和:1226

約数の個数: 48

約数和(自身を含む): 166479300

約数和(自身を除く): 95117500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 509, 701, 1018, 1402, 2036, 2545, 2804, 3505, 4072, 5090, 5608, 7010, 10180, 12725, 14020, 17525, 20360, 25450, 28040, 35050, 50900, 70100, 101800, 140200, 356809, 713618, 1427236, 1784045, 2854472, 3568090, 7136180, 8920225, 14272360, 17840450, 35680900, 71361800]

約数ペア:

[(1, 71361800), (2, 35680900), (4, 17840450), (5, 14272360), (8, 8920225), (10, 7136180), (20, 3568090), (25, 2854472), (40, 1784045), (50, 1427236), (100, 713618), (200, 356809), (509, 140200), (701, 101800), (1018, 70100), (1402, 50900), (2036, 35050), (2545, 28040), (2804, 25450), (3505, 20360), (4072, 17525), (5090, 14020), (5608, 12725), (7010, 10180)]