2979020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1231}}^1$

素因数の和:1262

約数の個数: 36

約数和(自身を含む): 6881952

約数和(自身を除く): 3902932

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 1231, 2420, 2462, 4924, 6155, 12310, 13541, 24620, 27082, 54164, 67705, 135410, 148951, 270820, 297902, 595804, 744755, 1489510, 2979020]

約数ペア:

[(1, 2979020), (2, 1489510), (4, 744755), (5, 595804), (10, 297902), (11, 270820), (20, 148951), (22, 135410), (44, 67705), (55, 54164), (110, 27082), (121, 24620), (220, 13541), (242, 12310), (484, 6155), (605, 4924), (1210, 2462), (1231, 2420)]