14780780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1487}}^1$

素因数の和:1574

約数の個数: 48

約数和(自身を含む): 35997696

約数和(自身を除く): 21216916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1487, 1988, 2485, 2974, 4970, 5948, 7435, 9940, 10409, 14870, 20818, 29740, 41636, 52045, 104090, 105577, 208180, 211154, 422308, 527885, 739039, 1055770, 1478078, 2111540, 2956156, 3695195, 7390390, 14780780]

約数ペア:

[(1, 14780780), (2, 7390390), (4, 3695195), (5, 2956156), (7, 2111540), (10, 1478078), (14, 1055770), (20, 739039), (28, 527885), (35, 422308), (70, 211154), (71, 208180), (140, 105577), (142, 104090), (284, 52045), (355, 41636), (497, 29740), (710, 20818), (994, 14870), (1420, 10409), (1487, 9940), (1988, 7435), (2485, 5948), (2974, 4970)]