203708820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{485021}}^1$

素因数の和:485040

約数の個数: 48

約数和(自身を含む): 651869568

約数和(自身を除く): 448160748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 485021, 970042, 1455063, 1940084, 2425105, 2910126, 3395147, 4850210, 5820252, 6790294, 7275315, 9700420, 10185441, 13580588, 14550630, 16975735, 20370882, 29101260, 33951470, 40741764, 50927205, 67902940, 101854410, 203708820]

約数ペア:

[(1, 203708820), (2, 101854410), (3, 67902940), (4, 50927205), (5, 40741764), (6, 33951470), (7, 29101260), (10, 20370882), (12, 16975735), (14, 14550630), (15, 13580588), (20, 10185441), (21, 9700420), (28, 7275315), (30, 6790294), (35, 5820252), (42, 4850210), (60, 3395147), (70, 2910126), (84, 2425105), (105, 1940084), (140, 1455063), (210, 970042), (420, 485021)]