291235660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{27527}}^1$

素因数の和:27582

約数の個数: 36

約数和(自身を含む): 639365328

約数和(自身を除く): 348129668

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 529, 1058, 2116, 2645, 5290, 10580, 27527, 55054, 110108, 137635, 275270, 550540, 633121, 1266242, 2532484, 3165605, 6331210, 12662420, 14561783, 29123566, 58247132, 72808915, 145617830, 291235660]

約数ペア:

[(1, 291235660), (2, 145617830), (4, 72808915), (5, 58247132), (10, 29123566), (20, 14561783), (23, 12662420), (46, 6331210), (92, 3165605), (115, 2532484), (230, 1266242), (460, 633121), (529, 550540), (1058, 275270), (2116, 137635), (2645, 110108), (5290, 55054), (10580, 27527)]