163935940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1170971}}^1$

素因数の和:1170987

約数の個数: 24

約数和(自身を含む): 393446592

約数和(自身を除く): 229510652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1170971, 2341942, 4683884, 5854855, 8196797, 11709710, 16393594, 23419420, 32787188, 40983985, 81967970, 163935940]

約数ペア:

[(1, 163935940), (2, 81967970), (4, 40983985), (5, 32787188), (7, 23419420), (10, 16393594), (14, 11709710), (20, 8196797), (28, 5854855), (35, 4683884), (70, 2341942), (140, 1170971)]