2489899040

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{3911}}^1$

素因数の和:4122

約数の個数: 96

約数和(自身を含む): 6175201536

約数和(自身を除く): 3685302496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 173, 184, 230, 346, 368, 460, 692, 736, 865, 920, 1384, 1730, 1840, 2768, 3460, 3680, 3911, 3979, 5536, 6920, 7822, 7958, 13840, 15644, 15916, 19555, 19895, 27680, 31288, 31832, 39110, 39790, 62576, 63664, 78220, 79580, 89953, 125152, 127328, 156440, 159160, 179906, 312880, 318320, 359812, 449765, 625760, 636640, 676603, 719624, 899530, 1353206, 1439248, 1799060, 2706412, 2878496, 3383015, 3598120, 5412824, 6766030, 7196240, 10825648, 13532060, 14392480, 15561869, 21651296, 27064120, 31123738, 54128240, 62247476, 77809345, 108256480, 124494952, 155618690, 248989904, 311237380, 497979808, 622474760, 1244949520, 2489899040]

約数ペア:

[(1, 2489899040), (2, 1244949520), (4, 622474760), (5, 497979808), (8, 311237380), (10, 248989904), (16, 155618690), (20, 124494952), (23, 108256480), (32, 77809345), (40, 62247476), (46, 54128240), (80, 31123738), (92, 27064120), (115, 21651296), (160, 15561869), (173, 14392480), (184, 13532060), (230, 10825648), (346, 7196240), (368, 6766030), (460, 5412824), (692, 3598120), (736, 3383015), (865, 2878496), (920, 2706412), (1384, 1799060), (1730, 1439248), (1840, 1353206), (2768, 899530), (3460, 719624), (3680, 676603), (3911, 636640), (3979, 625760), (5536, 449765), (6920, 359812), (7822, 318320), (7958, 312880), (13840, 179906), (15644, 159160), (15916, 156440), (19555, 127328), (19895, 125152), (27680, 89953), (31288, 79580), (31832, 78220), (39110, 63664), (39790, 62576)]