809933375

素因数分解:

$5^3\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{1549}}^1$

素因数の和:1700

約数の個数: 32

約数和(自身を含む): 1044576000

約数和(自身を除く): 234642625

約数列:

[1, 5, 25, 47, 89, 125, 235, 445, 1175, 1549, 2225, 4183, 5875, 7745, 11125, 20915, 38725, 72803, 104575, 137861, 193625, 364015, 522875, 689305, 1820075, 3446525, 6479467, 9100375, 17232625, 32397335, 161986675, 809933375]

約数ペア:

[(1, 809933375), (5, 161986675), (25, 32397335), (47, 17232625), (89, 9100375), (125, 6479467), (235, 3446525), (445, 1820075), (1175, 689305), (1549, 522875), (2225, 364015), (4183, 193625), (5875, 137861), (7745, 104575), (11125, 72803), (20915, 38725)]