77738120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{439}}^1$

素因数の和:702

約数の個数: 64

約数和(自身を含む): 185328000

約数和(自身を除く): 107589880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 233, 380, 439, 466, 760, 878, 932, 1165, 1756, 1864, 2195, 2330, 3512, 4390, 4427, 4660, 8341, 8780, 8854, 9320, 16682, 17560, 17708, 22135, 33364, 35416, 41705, 44270, 66728, 83410, 88540, 102287, 166820, 177080, 204574, 333640, 409148, 511435, 818296, 1022870, 1943453, 2045740, 3886906, 4091480, 7773812, 9717265, 15547624, 19434530, 38869060, 77738120]

約数ペア:

[(1, 77738120), (2, 38869060), (4, 19434530), (5, 15547624), (8, 9717265), (10, 7773812), (19, 4091480), (20, 3886906), (38, 2045740), (40, 1943453), (76, 1022870), (95, 818296), (152, 511435), (190, 409148), (233, 333640), (380, 204574), (439, 177080), (466, 166820), (760, 102287), (878, 88540), (932, 83410), (1165, 66728), (1756, 44270), (1864, 41705), (2195, 35416), (2330, 33364), (3512, 22135), (4390, 17708), (4427, 17560), (4660, 16682), (8341, 9320), (8780, 8854)]