208757980

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{27253}}^1$

素因数の和:27645

約数の個数: 24

約数和(自身を含む): 439552512

約数和(自身を除く): 230794532

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 3830, 7660, 27253, 54506, 109012, 136265, 272530, 545060, 10437899, 20875798, 41751596, 52189495, 104378990, 208757980]

約数ペア:

[(1, 208757980), (2, 104378990), (4, 52189495), (5, 41751596), (10, 20875798), (20, 10437899), (383, 545060), (766, 272530), (1532, 136265), (1915, 109012), (3830, 54506), (7660, 27253)]