138805660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{7237}}^1$

素因数の和:7390

約数の個数: 48

約数和(自身を含む): 335611584

約数和(自身を除く): 196805924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2740, 3836, 4795, 7237, 9590, 14474, 19180, 28948, 36185, 50659, 72370, 101318, 144740, 202636, 253295, 506590, 991469, 1013180, 1982938, 3965876, 4957345, 6940283, 9914690, 13880566, 19829380, 27761132, 34701415, 69402830, 138805660]

約数ペア:

[(1, 138805660), (2, 69402830), (4, 34701415), (5, 27761132), (7, 19829380), (10, 13880566), (14, 9914690), (20, 6940283), (28, 4957345), (35, 3965876), (70, 1982938), (137, 1013180), (140, 991469), (274, 506590), (548, 253295), (685, 202636), (959, 144740), (1370, 101318), (1918, 72370), (2740, 50659), (3836, 36185), (4795, 28948), (7237, 19180), (9590, 14474)]