208050780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{495359}}^1$

素因数の和:495378

約数の個数: 48

約数和(自身を含む): 665763840

約数和(自身を除く): 457713060

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, 495359, 990718, 1486077, 1981436, 2476795, 2972154, 3467513, 4953590, 5944308, 6935026, 7430385, 9907180, 10402539, 13870052, 14860770, 17337565, 20805078, 29721540, 34675130, 41610156, 52012695, 69350260, 104025390, 208050780]

約数ペア:

[(1, 208050780), (2, 104025390), (3, 69350260), (4, 52012695), (5, 41610156), (6, 34675130), (7, 29721540), (10, 20805078), (12, 17337565), (14, 14860770), (15, 13870052), (20, 10402539), (21, 9907180), (28, 7430385), (30, 6935026), (35, 5944308), (42, 4953590), (60, 3467513), (70, 2972154), (84, 2476795), (105, 1981436), (140, 1486077), (210, 990718), (420, 495359)]