393540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{937}}^1$

素因数の和:956

約数の個数: 48

約数和(自身を含む): 1260672

約数和(自身を除く): 867132

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, 937, 1874, 2811, 3748, 4685, 5622, 6559, 9370, 11244, 13118, 14055, 18740, 19677, 26236, 28110, 32795, 39354, 56220, 65590, 78708, 98385, 131180, 196770, 393540]

約数ペア:

[(1, 393540), (2, 196770), (3, 131180), (4, 98385), (5, 78708), (6, 65590), (7, 56220), (10, 39354), (12, 32795), (14, 28110), (15, 26236), (20, 19677), (21, 18740), (28, 14055), (30, 13118), (35, 11244), (42, 9370), (60, 6559), (70, 5622), (84, 4685), (105, 3748), (140, 2811), (210, 1874), (420, 937)]