207940390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{27253}}^1$

素因数の和:27376

約数の個数: 32

約数和(自身を含む): 431703360

約数和(自身を除く): 223762970

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 3815, 7630, 27253, 54506, 136265, 190771, 272530, 381542, 953855, 1907710, 2970577, 5941154, 14852885, 20794039, 29705770, 41588078, 103970195, 207940390]

約数ペア:

[(1, 207940390), (2, 103970195), (5, 41588078), (7, 29705770), (10, 20794039), (14, 14852885), (35, 5941154), (70, 2970577), (109, 1907710), (218, 953855), (545, 381542), (763, 272530), (1090, 190771), (1526, 136265), (3815, 54506), (7630, 27253)]