209219650

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{52967}}^1$

素因数の和:53058

約数の個数: 24

約数和(自身を含む): 394081920

約数和(自身を除く): 184862270

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 3950, 52967, 105934, 264835, 529670, 1324175, 2648350, 4184393, 8368786, 20921965, 41843930, 104609825, 209219650]

約数ペア:

[(1, 209219650), (2, 104609825), (5, 41843930), (10, 20921965), (25, 8368786), (50, 4184393), (79, 2648350), (158, 1324175), (395, 529670), (790, 264835), (1975, 105934), (3950, 52967)]