140854840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{503053}}^1$

素因数の和:503071

約数の個数: 32

約数和(自身を含む): 362198880

約数和(自身を除く): 221344040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 503053, 1006106, 2012212, 2515265, 3521371, 4024424, 5030530, 7042742, 10061060, 14085484, 17606855, 20122120, 28170968, 35213710, 70427420, 140854840]

約数ペア:

[(1, 140854840), (2, 70427420), (4, 35213710), (5, 28170968), (7, 20122120), (8, 17606855), (10, 14085484), (14, 10061060), (20, 7042742), (28, 5030530), (35, 4024424), (40, 3521371), (56, 2515265), (70, 2012212), (140, 1006106), (280, 503053)]