85394120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{304979}}^1$

素因数の和:304997

約数の個数: 32

約数和(自身を含む): 219585600

約数和(自身を除く): 134191480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 304979, 609958, 1219916, 1524895, 2134853, 2439832, 3049790, 4269706, 6099580, 8539412, 10674265, 12199160, 17078824, 21348530, 42697060, 85394120]

約数ペア:

[(1, 85394120), (2, 42697060), (4, 21348530), (5, 17078824), (7, 12199160), (8, 10674265), (10, 8539412), (14, 6099580), (20, 4269706), (28, 3049790), (35, 2439832), (40, 2134853), (56, 1524895), (70, 1219916), (140, 609958), (280, 304979)]