205239740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1\times {\mathrm{823}}^1$

素因数の和:1206

約数の個数: 48

約数和(自身を含む): 444505152

約数和(自身を除く): 239265412

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 337, 370, 674, 740, 823, 1348, 1646, 1685, 3292, 3370, 4115, 6740, 8230, 12469, 16460, 24938, 30451, 49876, 60902, 62345, 121804, 124690, 152255, 249380, 277351, 304510, 554702, 609020, 1109404, 1386755, 2773510, 5547020, 10261987, 20523974, 41047948, 51309935, 102619870, 205239740]

約数ペア:

[(1, 205239740), (2, 102619870), (4, 51309935), (5, 41047948), (10, 20523974), (20, 10261987), (37, 5547020), (74, 2773510), (148, 1386755), (185, 1109404), (337, 609020), (370, 554702), (674, 304510), (740, 277351), (823, 249380), (1348, 152255), (1646, 124690), (1685, 121804), (3292, 62345), (3370, 60902), (4115, 49876), (6740, 30451), (8230, 24938), (12469, 16460)]