138662020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{2939}}^1$

素因数の和:3292

約数の個数: 48

約数和(自身を含む): 333889920

約数和(自身を除く): 195227900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 337, 674, 1348, 1685, 2359, 2939, 3370, 4718, 5878, 6740, 9436, 11756, 11795, 14695, 20573, 23590, 29390, 41146, 47180, 58780, 82292, 102865, 205730, 411460, 990443, 1980886, 3961772, 4952215, 6933101, 9904430, 13866202, 19808860, 27732404, 34665505, 69331010, 138662020]

約数ペア:

[(1, 138662020), (2, 69331010), (4, 34665505), (5, 27732404), (7, 19808860), (10, 13866202), (14, 9904430), (20, 6933101), (28, 4952215), (35, 3961772), (70, 1980886), (140, 990443), (337, 411460), (674, 205730), (1348, 102865), (1685, 82292), (2359, 58780), (2939, 47180), (3370, 41146), (4718, 29390), (5878, 23590), (6740, 20573), (9436, 14695), (11756, 11795)]