349749080

素因数分解:

$2^3\times 5^1\times {\mathrm{2053}}^1\times {\mathrm{4259}}^1$

素因数の和:6323

約数の個数: 32

約数和(自身を含む): 787503600

約数和(自身を除く): 437754520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2053, 4106, 4259, 8212, 8518, 10265, 16424, 17036, 20530, 21295, 34072, 41060, 42590, 82120, 85180, 170360, 8743727, 17487454, 34974908, 43718635, 69949816, 87437270, 174874540, 349749080]

約数ペア:

[(1, 349749080), (2, 174874540), (4, 87437270), (5, 69949816), (8, 43718635), (10, 34974908), (20, 17487454), (40, 8743727), (2053, 170360), (4106, 85180), (4259, 82120), (8212, 42590), (8518, 41060), (10265, 34072), (16424, 21295), (17036, 20530)]