129880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 311040

約数和(自身を除く): 181160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 191, 340, 382, 680, 764, 955, 1528, 1910, 3247, 3820, 6494, 7640, 12988, 16235, 25976, 32470, 64940, 129880]

約数ペア:

[(1, 129880), (2, 64940), (4, 32470), (5, 25976), (8, 16235), (10, 12988), (17, 7640), (20, 6494), (34, 3820), (40, 3247), (68, 1910), (85, 1528), (136, 955), (170, 764), (191, 680), (340, 382)]