42390390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{28837}}^1$

素因数の和:28861

約数の個数: 48

約数和(自身を含む): 118351152

約数和(自身を除く): 75960762

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 28837, 57674, 86511, 144185, 173022, 201859, 288370, 403718, 432555, 605577, 865110, 1009295, 1211154, 1413013, 2018590, 2826026, 3027885, 4239039, 6055770, 7065065, 8478078, 14130130, 21195195, 42390390]

約数ペア:

[(1, 42390390), (2, 21195195), (3, 14130130), (5, 8478078), (6, 7065065), (7, 6055770), (10, 4239039), (14, 3027885), (15, 2826026), (21, 2018590), (30, 1413013), (35, 1211154), (42, 1009295), (49, 865110), (70, 605577), (98, 432555), (105, 403718), (147, 288370), (210, 201859), (245, 173022), (294, 144185), (490, 86511), (735, 57674), (1470, 28837)]