207973990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{977}}^1\times {\mathrm{3041}}^1$

素因数の和:4032

約数の個数: 32

約数和(自身を含む): 428410944

約数和(自身を除く): 220436954

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 977, 1954, 3041, 4885, 6082, 6839, 9770, 13678, 15205, 21287, 30410, 34195, 42574, 68390, 106435, 212870, 2971057, 5942114, 14855285, 20797399, 29710570, 41594798, 103986995, 207973990]

約数ペア:

[(1, 207973990), (2, 103986995), (5, 41594798), (7, 29710570), (10, 20797399), (14, 14855285), (35, 5942114), (70, 2971057), (977, 212870), (1954, 106435), (3041, 68390), (4885, 42574), (6082, 34195), (6839, 30410), (9770, 21287), (13678, 15205)]