30177980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7433}}^1$

素因数の和:7478

約数の個数: 48

約数和(自身を含む): 74934720

約数和(自身を除く): 44756740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 7433, 14866, 29732, 37165, 52031, 74330, 104062, 148660, 208124, 215557, 260155, 431114, 520310, 862228, 1040620, 1077785, 1508899, 2155570, 3017798, 4311140, 6035596, 7544495, 15088990, 30177980]

約数ペア:

[(1, 30177980), (2, 15088990), (4, 7544495), (5, 6035596), (7, 4311140), (10, 3017798), (14, 2155570), (20, 1508899), (28, 1077785), (29, 1040620), (35, 862228), (58, 520310), (70, 431114), (116, 260155), (140, 215557), (145, 208124), (203, 148660), (290, 104062), (406, 74330), (580, 52031), (812, 37165), (1015, 29732), (2030, 14866), (4060, 7433)]