142395980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1\times {\mathrm{571}}^1$

素因数の和:954

約数の個数: 48

約数和(自身を含む): 308564256

約数和(自身を除く): 166168276

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 337, 370, 571, 674, 740, 1142, 1348, 1685, 2284, 2855, 3370, 5710, 6740, 11420, 12469, 21127, 24938, 42254, 49876, 62345, 84508, 105635, 124690, 192427, 211270, 249380, 384854, 422540, 769708, 962135, 1924270, 3848540, 7119799, 14239598, 28479196, 35598995, 71197990, 142395980]

約数ペア:

[(1, 142395980), (2, 71197990), (4, 35598995), (5, 28479196), (10, 14239598), (20, 7119799), (37, 3848540), (74, 1924270), (148, 962135), (185, 769708), (337, 422540), (370, 384854), (571, 249380), (674, 211270), (740, 192427), (1142, 124690), (1348, 105635), (1685, 84508), (2284, 62345), (2855, 49876), (3370, 42254), (5710, 24938), (6740, 21127), (11420, 12469)]