30731470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{373}}^1$

素因数の和:505

約数の個数: 64

約数和(自身を含む): 69797376

約数和(自身を除く): 39065906

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 107, 110, 154, 214, 373, 385, 535, 746, 749, 770, 1070, 1177, 1498, 1865, 2354, 2611, 3730, 3745, 4103, 5222, 5885, 7490, 8206, 8239, 11770, 13055, 16478, 20515, 26110, 28721, 39911, 41030, 41195, 57442, 79822, 82390, 143605, 199555, 279377, 287210, 399110, 439021, 558754, 878042, 1396885, 2195105, 2793770, 3073147, 4390210, 6146294, 15365735, 30731470]

約数ペア:

[(1, 30731470), (2, 15365735), (5, 6146294), (7, 4390210), (10, 3073147), (11, 2793770), (14, 2195105), (22, 1396885), (35, 878042), (55, 558754), (70, 439021), (77, 399110), (107, 287210), (110, 279377), (154, 199555), (214, 143605), (373, 82390), (385, 79822), (535, 57442), (746, 41195), (749, 41030), (770, 39911), (1070, 28721), (1177, 26110), (1498, 20515), (1865, 16478), (2354, 13055), (2611, 11770), (3730, 8239), (3745, 8206), (4103, 7490), (5222, 5885)]