201784880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{2143}}^1$

素因数の和:2274

約数の個数: 80

約数和(自身を含む): 516824064

約数和(自身を除く): 315039184

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 107, 110, 176, 214, 220, 428, 440, 535, 856, 880, 1070, 1177, 1712, 2140, 2143, 2354, 4280, 4286, 4708, 5885, 8560, 8572, 9416, 10715, 11770, 17144, 18832, 21430, 23540, 23573, 34288, 42860, 47080, 47146, 85720, 94160, 94292, 117865, 171440, 188584, 229301, 235730, 377168, 458602, 471460, 917204, 942920, 1146505, 1834408, 1885840, 2293010, 2522311, 3668816, 4586020, 5044622, 9172040, 10089244, 12611555, 18344080, 20178488, 25223110, 40356976, 50446220, 100892440, 201784880]

約数ペア:

[(1, 201784880), (2, 100892440), (4, 50446220), (5, 40356976), (8, 25223110), (10, 20178488), (11, 18344080), (16, 12611555), (20, 10089244), (22, 9172040), (40, 5044622), (44, 4586020), (55, 3668816), (80, 2522311), (88, 2293010), (107, 1885840), (110, 1834408), (176, 1146505), (214, 942920), (220, 917204), (428, 471460), (440, 458602), (535, 377168), (856, 235730), (880, 229301), (1070, 188584), (1177, 171440), (1712, 117865), (2140, 94292), (2143, 94160), (2354, 85720), (4280, 47146), (4286, 47080), (4708, 42860), (5885, 34288), (8560, 23573), (8572, 23540), (9416, 21430), (10715, 18832), (11770, 17144)]