208038790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 410235840

約数和(自身を除く): 202197050

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 101, 185, 190, 202, 293, 370, 505, 586, 703, 1010, 1406, 1465, 1919, 2930, 3515, 3737, 3838, 5567, 7030, 7474, 9595, 10841, 11134, 18685, 19190, 21682, 27835, 29593, 37370, 54205, 55670, 59186, 71003, 108410, 142006, 147965, 205979, 295930, 355015, 411958, 562267, 710030, 1029895, 1094941, 1124534, 2059790, 2189882, 2811335, 5474705, 5622670, 10949410, 20803879, 41607758, 104019395, 208038790]

約数ペア:

[(1, 208038790), (2, 104019395), (5, 41607758), (10, 20803879), (19, 10949410), (37, 5622670), (38, 5474705), (74, 2811335), (95, 2189882), (101, 2059790), (185, 1124534), (190, 1094941), (202, 1029895), (293, 710030), (370, 562267), (505, 411958), (586, 355015), (703, 295930), (1010, 205979), (1406, 147965), (1465, 142006), (1919, 108410), (2930, 71003), (3515, 59186), (3737, 55670), (3838, 54205), (5567, 37370), (7030, 29593), (7474, 27835), (9595, 21682), (10841, 19190), (11134, 18685)]