204884910

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{20509}}^1$

素因数の和:20562

約数の個数: 64

約数和(自身を含む): 561153600

約数和(自身を除く): 356268690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 222, 270, 333, 370, 555, 666, 999, 1110, 1665, 1998, 3330, 4995, 9990, 20509, 41018, 61527, 102545, 123054, 184581, 205090, 307635, 369162, 553743, 615270, 758833, 922905, 1107486, 1517666, 1845810, 2276499, 2768715, 3794165, 4552998, 5537430, 6829497, 7588330, 11382495, 13658994, 20488491, 22764990, 34147485, 40976982, 68294970, 102442455, 204884910]

約数ペア:

[(1, 204884910), (2, 102442455), (3, 68294970), (5, 40976982), (6, 34147485), (9, 22764990), (10, 20488491), (15, 13658994), (18, 11382495), (27, 7588330), (30, 6829497), (37, 5537430), (45, 4552998), (54, 3794165), (74, 2768715), (90, 2276499), (111, 1845810), (135, 1517666), (185, 1107486), (222, 922905), (270, 758833), (333, 615270), (370, 553743), (555, 369162), (666, 307635), (999, 205090), (1110, 184581), (1665, 123054), (1998, 102545), (3330, 61527), (4995, 41018), (9990, 20509)]