218156950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{337}}^1$

素因数の和:478

約数の個数: 72

約数和(自身を含む): 451517976

約数和(自身を除く): 233361026

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 107, 110, 121, 214, 242, 275, 337, 535, 550, 605, 674, 1070, 1177, 1210, 1685, 2354, 2675, 3025, 3370, 3707, 5350, 5885, 6050, 7414, 8425, 11770, 12947, 16850, 18535, 25894, 29425, 36059, 37070, 40777, 58850, 64735, 72118, 81554, 92675, 129470, 180295, 185350, 203885, 323675, 360590, 396649, 407770, 647350, 793298, 901475, 1019425, 1802950, 1983245, 2038850, 3966490, 4363139, 8726278, 9916225, 19832450, 21815695, 43631390, 109078475, 218156950]

約数ペア:

[(1, 218156950), (2, 109078475), (5, 43631390), (10, 21815695), (11, 19832450), (22, 9916225), (25, 8726278), (50, 4363139), (55, 3966490), (107, 2038850), (110, 1983245), (121, 1802950), (214, 1019425), (242, 901475), (275, 793298), (337, 647350), (535, 407770), (550, 396649), (605, 360590), (674, 323675), (1070, 203885), (1177, 185350), (1210, 180295), (1685, 129470), (2354, 92675), (2675, 81554), (3025, 72118), (3370, 64735), (3707, 58850), (5350, 40777), (5885, 37070), (6050, 36059), (7414, 29425), (8425, 25894), (11770, 18535), (12947, 16850)]