109191880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{389971}}^1$

素因数の和:389989

約数の個数: 32

約数和(自身を含む): 280779840

約数和(自身を除く): 171587960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 389971, 779942, 1559884, 1949855, 2729797, 3119768, 3899710, 5459594, 7799420, 10919188, 13648985, 15598840, 21838376, 27297970, 54595940, 109191880]

約数ペア:

[(1, 109191880), (2, 54595940), (4, 27297970), (5, 21838376), (7, 15598840), (8, 13648985), (10, 10919188), (14, 7799420), (20, 5459594), (28, 3899710), (35, 3119768), (40, 2729797), (56, 1949855), (70, 1559884), (140, 779942), (280, 389971)]