298070840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173297}}^1$

素因数の和:173351

約数の個数: 32

約数和(自身を含む): 686260080

約数和(自身を除く): 388189240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 173297, 346594, 693188, 866485, 1386376, 1732970, 3465940, 6931880, 7451771, 14903542, 29807084, 37258855, 59614168, 74517710, 149035420, 298070840]

約数ペア:

[(1, 298070840), (2, 149035420), (4, 74517710), (5, 59614168), (8, 37258855), (10, 29807084), (20, 14903542), (40, 7451771), (43, 6931880), (86, 3465940), (172, 1732970), (215, 1386376), (344, 866485), (430, 693188), (860, 346594), (1720, 173297)]