905051180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{9371}}^1$

素因数の和:9830

約数の個数: 48

約数和(自身を含む): 2078334720

約数和(自身を除く): 1173283540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 439, 878, 1756, 2195, 4390, 4829, 8780, 9371, 9658, 18742, 19316, 24145, 37484, 46855, 48290, 93710, 96580, 103081, 187420, 206162, 412324, 515405, 1030810, 2061620, 4113869, 8227738, 16455476, 20569345, 41138690, 45252559, 82277380, 90505118, 181010236, 226262795, 452525590, 905051180]

約数ペア:

[(1, 905051180), (2, 452525590), (4, 226262795), (5, 181010236), (10, 90505118), (11, 82277380), (20, 45252559), (22, 41138690), (44, 20569345), (55, 16455476), (110, 8227738), (220, 4113869), (439, 2061620), (878, 1030810), (1756, 515405), (2195, 412324), (4390, 206162), (4829, 187420), (8780, 103081), (9371, 96580), (9658, 93710), (18742, 48290), (19316, 46855), (24145, 37484)]