2019057140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^2\times {\mathrm{293}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 4441946040

約数和(自身を除く): 2422888900

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 109, 116, 145, 218, 290, 293, 436, 545, 580, 586, 1090, 1172, 1465, 2180, 2930, 3161, 5860, 6322, 8497, 11881, 12644, 15805, 16994, 23762, 31610, 31937, 33988, 42485, 47524, 59405, 63220, 63874, 84970, 118810, 127748, 159685, 169940, 237620, 319370, 344549, 638740, 689098, 926173, 1378196, 1722745, 1852346, 3445490, 3481133, 3704692, 4630865, 6890980, 6962266, 9261730, 13924532, 17405665, 18523460, 34811330, 69622660, 100952857, 201905714, 403811428, 504764285, 1009528570, 2019057140]

約数ペア:

[(1, 2019057140), (2, 1009528570), (4, 504764285), (5, 403811428), (10, 201905714), (20, 100952857), (29, 69622660), (58, 34811330), (109, 18523460), (116, 17405665), (145, 13924532), (218, 9261730), (290, 6962266), (293, 6890980), (436, 4630865), (545, 3704692), (580, 3481133), (586, 3445490), (1090, 1852346), (1172, 1722745), (1465, 1378196), (2180, 926173), (2930, 689098), (3161, 638740), (5860, 344549), (6322, 319370), (8497, 237620), (11881, 169940), (12644, 159685), (15805, 127748), (16994, 118810), (23762, 84970), (31610, 63874), (31937, 63220), (33988, 59405), (42485, 47524)]