9889309100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{20479}}^1$

素因数の和:20943

約数の個数: 72

約数和(自身を含む): 23465164800

約数和(自身を除く): 13575855700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 439, 550, 878, 1100, 1756, 2195, 4390, 4829, 8780, 9658, 10975, 19316, 20479, 21950, 24145, 40958, 43900, 48290, 81916, 96580, 102395, 120725, 204790, 225269, 241450, 409580, 450538, 482900, 511975, 901076, 1023950, 1126345, 2047900, 2252690, 4505380, 5631725, 8990281, 11263450, 17980562, 22526900, 35961124, 44951405, 89902810, 98893091, 179805620, 197786182, 224757025, 395572364, 449514050, 494465455, 899028100, 988930910, 1977861820, 2472327275, 4944654550, 9889309100]

約数ペア:

[(1, 9889309100), (2, 4944654550), (4, 2472327275), (5, 1977861820), (10, 988930910), (11, 899028100), (20, 494465455), (22, 449514050), (25, 395572364), (44, 224757025), (50, 197786182), (55, 179805620), (100, 98893091), (110, 89902810), (220, 44951405), (275, 35961124), (439, 22526900), (550, 17980562), (878, 11263450), (1100, 8990281), (1756, 5631725), (2195, 4505380), (4390, 2252690), (4829, 2047900), (8780, 1126345), (9658, 1023950), (10975, 901076), (19316, 511975), (20479, 482900), (21950, 450538), (24145, 409580), (40958, 241450), (43900, 225269), (48290, 204790), (81916, 120725), (96580, 102395)]