204498175

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{47}}^2$

素因数の和:157

約数の個数: 54

約数和(自身を含む): 309534008

約数和(自身を除く): 105035833

約数列:

[1, 5, 7, 23, 25, 35, 47, 115, 161, 175, 235, 329, 529, 575, 805, 1081, 1175, 1645, 2209, 2645, 3703, 4025, 5405, 7567, 8225, 11045, 13225, 15463, 18515, 24863, 27025, 37835, 50807, 55225, 77315, 92575, 124315, 174041, 189175, 254035, 355649, 386575, 621575, 870205, 1168561, 1270175, 1778245, 4351025, 5842805, 8179927, 8891225, 29214025, 40899635, 204498175]

約数ペア:

[(1, 204498175), (5, 40899635), (7, 29214025), (23, 8891225), (25, 8179927), (35, 5842805), (47, 4351025), (115, 1778245), (161, 1270175), (175, 1168561), (235, 870205), (329, 621575), (529, 386575), (575, 355649), (805, 254035), (1081, 189175), (1175, 174041), (1645, 124315), (2209, 92575), (2645, 77315), (3703, 55225), (4025, 50807), (5405, 37835), (7567, 27025), (8225, 24863), (11045, 18515), (13225, 15463)]