2162649380

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1\times {\mathrm{1949}}^1$

素因数の和:2576

約数の個数: 48

約数和(自身を含む): 4594590000

約数和(自身を除く): 2431940620

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 509, 545, 1018, 1090, 1949, 2036, 2180, 2545, 3898, 5090, 7796, 9745, 10180, 19490, 38980, 55481, 110962, 212441, 221924, 277405, 424882, 554810, 849764, 992041, 1062205, 1109620, 1984082, 2124410, 3968164, 4248820, 4960205, 9920410, 19840820, 108132469, 216264938, 432529876, 540662345, 1081324690, 2162649380]

約数ペア:

[(1, 2162649380), (2, 1081324690), (4, 540662345), (5, 432529876), (10, 216264938), (20, 108132469), (109, 19840820), (218, 9920410), (436, 4960205), (509, 4248820), (545, 3968164), (1018, 2124410), (1090, 1984082), (1949, 1109620), (2036, 1062205), (2180, 992041), (2545, 849764), (3898, 554810), (5090, 424882), (7796, 277405), (9745, 221924), (10180, 212441), (19490, 110962), (38980, 55481)]