142856840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{510203}}^1$

素因数の和:510221

約数の個数: 32

約数和(自身を含む): 367346880

約数和(自身を除く): 224490040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 510203, 1020406, 2040812, 2551015, 3571421, 4081624, 5102030, 7142842, 10204060, 14285684, 17857105, 20408120, 28571368, 35714210, 71428420, 142856840]

約数ペア:

[(1, 142856840), (2, 71428420), (4, 35714210), (5, 28571368), (7, 20408120), (8, 17857105), (10, 14285684), (14, 10204060), (20, 7142842), (28, 5102030), (35, 4081624), (40, 3571421), (56, 2551015), (70, 2040812), (140, 1020406), (280, 510203)]