181640298680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{293}}^1\times {\mathrm{4099}}^1$

素因数の和:4621

約数の個数: 128

約数和(自身を含む): 433944000000

約数和(自身を除く): 252303701320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 199, 293, 380, 398, 586, 760, 796, 995, 1172, 1465, 1592, 1990, 2344, 2930, 3781, 3980, 4099, 5567, 5860, 7562, 7960, 8198, 11134, 11720, 15124, 16396, 18905, 20495, 22268, 27835, 30248, 32792, 37810, 40990, 44536, 55670, 58307, 75620, 77881, 81980, 111340, 116614, 151240, 155762, 163960, 222680, 233228, 291535, 311524, 389405, 466456, 583070, 623048, 778810, 815701, 1107833, 1166140, 1201007, 1557620, 1631402, 2215666, 2332280, 2402014, 3115240, 3262804, 4078505, 4431332, 4804028, 5539165, 6005035, 6525608, 8157010, 8862664, 9608056, 11078330, 12010070, 15498319, 16314020, 22156660, 22819133, 24020140, 30996638, 32628040, 44313320, 45638266, 48040280, 61993276, 77491595, 91276532, 114095665, 123986552, 154983190, 182553064, 228191330, 239000393, 309966380, 456382660, 478000786, 619932760, 912765320, 956001572, 1195001965, 1912003144, 2390003930, 4541007467, 4780007860, 9082014934, 9560015720, 18164029868, 22705037335, 36328059736, 45410074670, 90820149340, 181640298680]

約数ペア:

[(1, 181640298680), (2, 90820149340), (4, 45410074670), (5, 36328059736), (8, 22705037335), (10, 18164029868), (19, 9560015720), (20, 9082014934), (38, 4780007860), (40, 4541007467), (76, 2390003930), (95, 1912003144), (152, 1195001965), (190, 956001572), (199, 912765320), (293, 619932760), (380, 478000786), (398, 456382660), (586, 309966380), (760, 239000393), (796, 228191330), (995, 182553064), (1172, 154983190), (1465, 123986552), (1592, 114095665), (1990, 91276532), (2344, 77491595), (2930, 61993276), (3781, 48040280), (3980, 45638266), (4099, 44313320), (5567, 32628040), (5860, 30996638), (7562, 24020140), (7960, 22819133), (8198, 22156660), (11134, 16314020), (11720, 15498319), (15124, 12010070), (16396, 11078330), (18905, 9608056), (20495, 8862664), (22268, 8157010), (27835, 6525608), (30248, 6005035), (32792, 5539165), (37810, 4804028), (40990, 4431332), (44536, 4078505), (55670, 3262804), (58307, 3115240), (75620, 2402014), (77881, 2332280), (81980, 2215666), (111340, 1631402), (116614, 1557620), (151240, 1201007), (155762, 1166140), (163960, 1107833), (222680, 815701), (233228, 778810), (291535, 623048), (311524, 583070), (389405, 466456)]