285320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1019}}^1$

素因数の和:1037

約数の個数: 32

約数和(自身を含む): 734400

約数和(自身を除く): 449080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1019, 2038, 4076, 5095, 7133, 8152, 10190, 14266, 20380, 28532, 35665, 40760, 57064, 71330, 142660, 285320]

約数ペア:

[(1, 285320), (2, 142660), (4, 71330), (5, 57064), (7, 40760), (8, 35665), (10, 28532), (14, 20380), (20, 14266), (28, 10190), (35, 8152), (40, 7133), (56, 5095), (70, 4076), (140, 2038), (280, 1019)]