208477375

素因数分解:

$5^3\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:277

約数の個数: 48

約数和(自身を含む): 287352000

約数和(自身を除く): 78874625

約数列:

[1, 5, 17, 25, 29, 85, 125, 145, 199, 289, 425, 493, 725, 995, 1445, 2125, 2465, 3383, 3625, 4975, 5771, 7225, 8381, 12325, 16915, 24875, 28855, 36125, 41905, 57511, 61625, 84575, 98107, 144275, 209525, 287555, 422875, 490535, 721375, 1047625, 1437775, 1667819, 2452675, 7188875, 8339095, 12263375, 41695475, 208477375]

約数ペア:

[(1, 208477375), (5, 41695475), (17, 12263375), (25, 8339095), (29, 7188875), (85, 2452675), (125, 1667819), (145, 1437775), (199, 1047625), (289, 721375), (425, 490535), (493, 422875), (725, 287555), (995, 209525), (1445, 144275), (2125, 98107), (2465, 84575), (3383, 61625), (3625, 57511), (4975, 41905), (5771, 36125), (7225, 28855), (8381, 24875), (12325, 16915)]