205127560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{4357}}^1$

素因数の和:4486

約数の個数: 64

約数和(自身を含む): 508317120

約数和(自身を除く): 303189560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 107, 110, 214, 220, 428, 440, 535, 856, 1070, 1177, 2140, 2354, 4280, 4357, 4708, 5885, 8714, 9416, 11770, 17428, 21785, 23540, 34856, 43570, 47080, 47927, 87140, 95854, 174280, 191708, 239635, 383416, 466199, 479270, 932398, 958540, 1864796, 1917080, 2330995, 3729592, 4661990, 5128189, 9323980, 10256378, 18647960, 20512756, 25640945, 41025512, 51281890, 102563780, 205127560]

約数ペア:

[(1, 205127560), (2, 102563780), (4, 51281890), (5, 41025512), (8, 25640945), (10, 20512756), (11, 18647960), (20, 10256378), (22, 9323980), (40, 5128189), (44, 4661990), (55, 3729592), (88, 2330995), (107, 1917080), (110, 1864796), (214, 958540), (220, 932398), (428, 479270), (440, 466199), (535, 383416), (856, 239635), (1070, 191708), (1177, 174280), (2140, 95854), (2354, 87140), (4280, 47927), (4357, 47080), (4708, 43570), (5885, 34856), (8714, 23540), (9416, 21785), (11770, 17428)]