201731320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{3733}}^1$

素因数の和:3944

約数の個数: 64

約数和(自身を含む): 521565120

約数和(自身を除く): 319833800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 193, 280, 386, 772, 965, 1351, 1544, 1930, 2702, 3733, 3860, 5404, 6755, 7466, 7720, 10808, 13510, 14932, 18665, 26131, 27020, 29864, 37330, 52262, 54040, 74660, 104524, 130655, 149320, 209048, 261310, 522620, 720469, 1045240, 1440938, 2881876, 3602345, 5043283, 5763752, 7204690, 10086566, 14409380, 20173132, 25216415, 28818760, 40346264, 50432830, 100865660, 201731320]

約数ペア:

[(1, 201731320), (2, 100865660), (4, 50432830), (5, 40346264), (7, 28818760), (8, 25216415), (10, 20173132), (14, 14409380), (20, 10086566), (28, 7204690), (35, 5763752), (40, 5043283), (56, 3602345), (70, 2881876), (140, 1440938), (193, 1045240), (280, 720469), (386, 522620), (772, 261310), (965, 209048), (1351, 149320), (1544, 130655), (1930, 104524), (2702, 74660), (3733, 54040), (3860, 52262), (5404, 37330), (6755, 29864), (7466, 27020), (7720, 26131), (10808, 18665), (13510, 14932)]