205740900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{228601}}^1$

素因数の和:228621

約数の個数: 54

約数和(自身を含む): 644886242

約数和(自身を除く): 439145342

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 228601, 457202, 685803, 914404, 1143005, 1371606, 2057409, 2286010, 2743212, 3429015, 4114818, 4572020, 5715025, 6858030, 8229636, 10287045, 11430050, 13716060, 17145075, 20574090, 22860100, 34290150, 41148180, 51435225, 68580300, 102870450, 205740900]

約数ペア:

[(1, 205740900), (2, 102870450), (3, 68580300), (4, 51435225), (5, 41148180), (6, 34290150), (9, 22860100), (10, 20574090), (12, 17145075), (15, 13716060), (18, 11430050), (20, 10287045), (25, 8229636), (30, 6858030), (36, 5715025), (45, 4572020), (50, 4114818), (60, 3429015), (75, 2743212), (90, 2286010), (100, 2057409), (150, 1371606), (180, 1143005), (225, 914404), (300, 685803), (450, 457202), (900, 228601)]