673880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1019

約数の個数: 32

約数和(自身を含む): 1607040

約数和(自身を除く): 933160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 991, 1982, 3964, 4955, 7928, 9910, 16847, 19820, 33694, 39640, 67388, 84235, 134776, 168470, 336940, 673880]

約数ペア:

[(1, 673880), (2, 336940), (4, 168470), (5, 134776), (8, 84235), (10, 67388), (17, 39640), (20, 33694), (34, 19820), (40, 16847), (68, 9910), (85, 7928), (136, 4955), (170, 3964), (340, 1982), (680, 991)]