1286340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1949}}^1$

素因数の和:1972

約数の個数: 48

約数和(自身を含む): 3931200

約数和(自身を除く): 2644860

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 1949, 3898, 5847, 7796, 9745, 11694, 19490, 21439, 23388, 29235, 38980, 42878, 58470, 64317, 85756, 107195, 116940, 128634, 214390, 257268, 321585, 428780, 643170, 1286340]

約数ペア:

[(1, 1286340), (2, 643170), (3, 428780), (4, 321585), (5, 257268), (6, 214390), (10, 128634), (11, 116940), (12, 107195), (15, 85756), (20, 64317), (22, 58470), (30, 42878), (33, 38980), (44, 29235), (55, 23388), (60, 21439), (66, 19490), (110, 11694), (132, 9745), (165, 7796), (220, 5847), (330, 3898), (660, 1949)]