250428080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{447193}}^1$

素因数の和:447213

約数の個数: 40

約数和(自身を含む): 665424672

約数和(自身を除く): 414996592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 447193, 894386, 1788772, 2235965, 3130351, 3577544, 4471930, 6260702, 7155088, 8943860, 12521404, 15651755, 17887720, 25042808, 31303510, 35775440, 50085616, 62607020, 125214040, 250428080]

約数ペア:

[(1, 250428080), (2, 125214040), (4, 62607020), (5, 50085616), (7, 35775440), (8, 31303510), (10, 25042808), (14, 17887720), (16, 15651755), (20, 12521404), (28, 8943860), (35, 7155088), (40, 6260702), (56, 4471930), (70, 3577544), (80, 3130351), (112, 2235965), (140, 1788772), (280, 894386), (560, 447193)]