2021980180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{6011}}^1$

素因数の和:6181

約数の個数: 72

約数和(自身を含む): 4701624480

約数和(自身を除く): 2679644300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 139, 220, 242, 278, 484, 556, 605, 695, 1210, 1390, 1529, 2420, 2780, 3058, 6011, 6116, 7645, 12022, 15290, 16819, 24044, 30055, 30580, 33638, 60110, 66121, 67276, 84095, 120220, 132242, 168190, 264484, 330605, 336380, 661210, 727331, 835529, 1322420, 1454662, 1671058, 2909324, 3342116, 3636655, 4177645, 7273310, 8355290, 9190819, 14546620, 16710580, 18381638, 36763276, 45954095, 91908190, 101099009, 183816380, 202198018, 404396036, 505495045, 1010990090, 2021980180]

約数ペア:

[(1, 2021980180), (2, 1010990090), (4, 505495045), (5, 404396036), (10, 202198018), (11, 183816380), (20, 101099009), (22, 91908190), (44, 45954095), (55, 36763276), (110, 18381638), (121, 16710580), (139, 14546620), (220, 9190819), (242, 8355290), (278, 7273310), (484, 4177645), (556, 3636655), (605, 3342116), (695, 2909324), (1210, 1671058), (1390, 1454662), (1529, 1322420), (2420, 835529), (2780, 727331), (3058, 661210), (6011, 336380), (6116, 330605), (7645, 264484), (12022, 168190), (15290, 132242), (16819, 120220), (24044, 84095), (30055, 67276), (30580, 66121), (33638, 60110)]