1442980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{937}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 3782016

約数和(自身を除く): 2339036

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 937, 1540, 1874, 3748, 4685, 6559, 9370, 10307, 13118, 18740, 20614, 26236, 32795, 41228, 51535, 65590, 72149, 103070, 131180, 144298, 206140, 288596, 360745, 721490, 1442980]

約数ペア:

[(1, 1442980), (2, 721490), (4, 360745), (5, 288596), (7, 206140), (10, 144298), (11, 131180), (14, 103070), (20, 72149), (22, 65590), (28, 51535), (35, 41228), (44, 32795), (55, 26236), (70, 20614), (77, 18740), (110, 13118), (140, 10307), (154, 9370), (220, 6559), (308, 4685), (385, 3748), (770, 1874), (937, 1540)]