1402940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{911}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 3677184

約数和(自身を除く): 2274244

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, 911, 1540, 1822, 3644, 4555, 6377, 9110, 10021, 12754, 18220, 20042, 25508, 31885, 40084, 50105, 63770, 70147, 100210, 127540, 140294, 200420, 280588, 350735, 701470, 1402940]

約数ペア:

[(1, 1402940), (2, 701470), (4, 350735), (5, 280588), (7, 200420), (10, 140294), (11, 127540), (14, 100210), (20, 70147), (22, 63770), (28, 50105), (35, 40084), (44, 31885), (55, 25508), (70, 20042), (77, 18220), (110, 12754), (140, 10021), (154, 9110), (220, 6377), (308, 4555), (385, 3644), (770, 1822), (911, 1540)]