139214800

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:261

約数の個数: 120

約数和(自身を含む): 351802880

約数和(自身を除く): 212588080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 103, 109, 124, 155, 200, 206, 218, 248, 310, 400, 412, 436, 496, 515, 545, 620, 775, 824, 872, 1030, 1090, 1240, 1550, 1648, 1744, 2060, 2180, 2480, 2575, 2725, 3100, 3193, 3379, 4120, 4360, 5150, 5450, 6200, 6386, 6758, 8240, 8720, 10300, 10900, 11227, 12400, 12772, 13516, 15965, 16895, 20600, 21800, 22454, 25544, 27032, 31930, 33790, 41200, 43600, 44908, 51088, 54064, 56135, 63860, 67580, 79825, 84475, 89816, 112270, 127720, 135160, 159650, 168950, 179632, 224540, 255440, 270320, 280675, 319300, 337900, 348037, 449080, 561350, 638600, 675800, 696074, 898160, 1122700, 1277200, 1351600, 1392148, 1740185, 2245400, 2784296, 3480370, 4490800, 5568592, 6960740, 8700925, 13921480, 17401850, 27842960, 34803700, 69607400, 139214800]

約数ペア:

[(1, 139214800), (2, 69607400), (4, 34803700), (5, 27842960), (8, 17401850), (10, 13921480), (16, 8700925), (20, 6960740), (25, 5568592), (31, 4490800), (40, 3480370), (50, 2784296), (62, 2245400), (80, 1740185), (100, 1392148), (103, 1351600), (109, 1277200), (124, 1122700), (155, 898160), (200, 696074), (206, 675800), (218, 638600), (248, 561350), (310, 449080), (400, 348037), (412, 337900), (436, 319300), (496, 280675), (515, 270320), (545, 255440), (620, 224540), (775, 179632), (824, 168950), (872, 159650), (1030, 135160), (1090, 127720), (1240, 112270), (1550, 89816), (1648, 84475), (1744, 79825), (2060, 67580), (2180, 63860), (2480, 56135), (2575, 54064), (2725, 51088), (3100, 44908), (3193, 43600), (3379, 41200), (4120, 33790), (4360, 31930), (5150, 27032), (5450, 25544), (6200, 22454), (6386, 21800), (6758, 20600), (8240, 16895), (8720, 15965), (10300, 13516), (10900, 12772), (11227, 12400)]