142723160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{209887}}^1$

素因数の和:209915

約数の個数: 32

約数和(自身を含む): 340018560

約数和(自身を除く): 197295400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 209887, 419774, 839548, 1049435, 1679096, 2098870, 3568079, 4197740, 7136158, 8395480, 14272316, 17840395, 28544632, 35680790, 71361580, 142723160]

約数ペア:

[(1, 142723160), (2, 71361580), (4, 35680790), (5, 28544632), (8, 17840395), (10, 14272316), (17, 8395480), (20, 7136158), (34, 4197740), (40, 3568079), (68, 2098870), (85, 1679096), (136, 1049435), (170, 839548), (340, 419774), (680, 209887)]