814340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2143}}^1$

素因数の和:2171

約数の個数: 24

約数和(自身を含む): 1800960

約数和(自身を除く): 986620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2143, 4286, 8572, 10715, 21430, 40717, 42860, 81434, 162868, 203585, 407170, 814340]

約数ペア:

[(1, 814340), (2, 407170), (4, 203585), (5, 162868), (10, 81434), (19, 42860), (20, 40717), (38, 21430), (76, 10715), (95, 8572), (190, 4286), (380, 2143)]