210005320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{750019}}^1$

素因数の和:750037

約数の個数: 32

約数和(自身を含む): 540014400

約数和(自身を除く): 330009080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 750019, 1500038, 3000076, 3750095, 5250133, 6000152, 7500190, 10500266, 15000380, 21000532, 26250665, 30000760, 42001064, 52501330, 105002660, 210005320]

約数ペア:

[(1, 210005320), (2, 105002660), (4, 52501330), (5, 42001064), (7, 30000760), (8, 26250665), (10, 21000532), (14, 15000380), (20, 10500266), (28, 7500190), (35, 6000152), (40, 5250133), (56, 3750095), (70, 3000076), (140, 1500038), (280, 750019)]