3138740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1297}}^1$

素因数の和:1328

約数の個数: 36

約数和(自身を含む): 7250628

約数和(自身を除く): 4111888

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 1297, 2420, 2594, 5188, 6485, 12970, 14267, 25940, 28534, 57068, 71335, 142670, 156937, 285340, 313874, 627748, 784685, 1569370, 3138740]

約数ペア:

[(1, 3138740), (2, 1569370), (4, 784685), (5, 627748), (10, 313874), (11, 285340), (20, 156937), (22, 142670), (44, 71335), (55, 57068), (110, 28534), (121, 25940), (220, 14267), (242, 12970), (484, 6485), (605, 5188), (1210, 2594), (1297, 2420)]