28692020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 73543680

約数和(自身を除く): 44851660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 37, 58, 70, 74, 116, 140, 145, 148, 185, 191, 203, 259, 290, 370, 382, 406, 518, 580, 740, 764, 812, 955, 1015, 1036, 1073, 1295, 1337, 1910, 2030, 2146, 2590, 2674, 3820, 4060, 4292, 5180, 5348, 5365, 5539, 6685, 7067, 7511, 10730, 11078, 13370, 14134, 15022, 21460, 22156, 26740, 27695, 28268, 30044, 35335, 37555, 38773, 49469, 55390, 70670, 75110, 77546, 98938, 110780, 141340, 150220, 155092, 193865, 197876, 204943, 247345, 387730, 409886, 494690, 775460, 819772, 989380, 1024715, 1434601, 2049430, 2869202, 4098860, 5738404, 7173005, 14346010, 28692020]

約数ペア:

[(1, 28692020), (2, 14346010), (4, 7173005), (5, 5738404), (7, 4098860), (10, 2869202), (14, 2049430), (20, 1434601), (28, 1024715), (29, 989380), (35, 819772), (37, 775460), (58, 494690), (70, 409886), (74, 387730), (116, 247345), (140, 204943), (145, 197876), (148, 193865), (185, 155092), (191, 150220), (203, 141340), (259, 110780), (290, 98938), (370, 77546), (382, 75110), (406, 70670), (518, 55390), (580, 49469), (740, 38773), (764, 37555), (812, 35335), (955, 30044), (1015, 28268), (1036, 27695), (1073, 26740), (1295, 22156), (1337, 21460), (1910, 15022), (2030, 14134), (2146, 13370), (2590, 11078), (2674, 10730), (3820, 7511), (4060, 7067), (4292, 6685), (5180, 5539), (5348, 5365)]