285966380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{4013}}^1$

素因数の和:4538

約数の個数: 48

約数和(自身を含む): 687839040

約数和(自身を除く): 401872660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509, 1018, 2036, 2545, 3563, 4013, 5090, 7126, 8026, 10180, 14252, 16052, 17815, 20065, 28091, 35630, 40130, 56182, 71260, 80260, 112364, 140455, 280910, 561820, 2042617, 4085234, 8170468, 10213085, 14298319, 20426170, 28596638, 40852340, 57193276, 71491595, 142983190, 285966380]

約数ペア:

[(1, 285966380), (2, 142983190), (4, 71491595), (5, 57193276), (7, 40852340), (10, 28596638), (14, 20426170), (20, 14298319), (28, 10213085), (35, 8170468), (70, 4085234), (140, 2042617), (509, 561820), (1018, 280910), (2036, 140455), (2545, 112364), (3563, 80260), (4013, 71260), (5090, 56182), (7126, 40130), (8026, 35630), (10180, 28091), (14252, 20065), (16052, 17815)]