189311440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{463}}^1$

素因数の和:764

約数の個数: 80

約数和(自身を含む): 466041600

約数和(自身を除く): 276730160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 269, 304, 380, 463, 538, 760, 926, 1076, 1345, 1520, 1852, 2152, 2315, 2690, 3704, 4304, 4630, 5111, 5380, 7408, 8797, 9260, 10222, 10760, 17594, 18520, 20444, 21520, 25555, 35188, 37040, 40888, 43985, 51110, 70376, 81776, 87970, 102220, 124547, 140752, 175940, 204440, 249094, 351880, 408880, 498188, 622735, 703760, 996376, 1245470, 1992752, 2366393, 2490940, 4732786, 4981880, 9465572, 9963760, 11831965, 18931144, 23663930, 37862288, 47327860, 94655720, 189311440]

約数ペア:

[(1, 189311440), (2, 94655720), (4, 47327860), (5, 37862288), (8, 23663930), (10, 18931144), (16, 11831965), (19, 9963760), (20, 9465572), (38, 4981880), (40, 4732786), (76, 2490940), (80, 2366393), (95, 1992752), (152, 1245470), (190, 996376), (269, 703760), (304, 622735), (380, 498188), (463, 408880), (538, 351880), (760, 249094), (926, 204440), (1076, 175940), (1345, 140752), (1520, 124547), (1852, 102220), (2152, 87970), (2315, 81776), (2690, 70376), (3704, 51110), (4304, 43985), (4630, 40888), (5111, 37040), (5380, 35188), (7408, 25555), (8797, 21520), (9260, 20444), (10222, 18520), (10760, 17594)]