205122100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2297}}^1$

素因数の和:2377

約数の個数: 72

約数和(自身を含む): 478719360

約数和(自身を除く): 273597260

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 47, 50, 76, 94, 95, 100, 188, 190, 235, 380, 470, 475, 893, 940, 950, 1175, 1786, 1900, 2297, 2350, 3572, 4465, 4594, 4700, 8930, 9188, 11485, 17860, 22325, 22970, 43643, 44650, 45940, 57425, 87286, 89300, 107959, 114850, 174572, 215918, 218215, 229700, 431836, 436430, 539795, 872860, 1079590, 1091075, 2051221, 2159180, 2182150, 2698975, 4102442, 4364300, 5397950, 8204884, 10256105, 10795900, 20512210, 41024420, 51280525, 102561050, 205122100]

約数ペア:

[(1, 205122100), (2, 102561050), (4, 51280525), (5, 41024420), (10, 20512210), (19, 10795900), (20, 10256105), (25, 8204884), (38, 5397950), (47, 4364300), (50, 4102442), (76, 2698975), (94, 2182150), (95, 2159180), (100, 2051221), (188, 1091075), (190, 1079590), (235, 872860), (380, 539795), (470, 436430), (475, 431836), (893, 229700), (940, 218215), (950, 215918), (1175, 174572), (1786, 114850), (1900, 107959), (2297, 89300), (2350, 87286), (3572, 57425), (4465, 45940), (4594, 44650), (4700, 43643), (8930, 22970), (9188, 22325), (11485, 17860)]