1798808220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{908489}}^1$

素因数の和:908515

約数の個数: 72

約数和(自身を含む): 5952426480

約数和(自身を除く): 4153618260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 908489, 1816978, 2725467, 3633956, 4542445, 5450934, 8176401, 9084890, 9993379, 10901868, 13627335, 16352802, 18169780, 19986758, 27254670, 29980137, 32705604, 39973516, 40882005, 49966895, 54509340, 59960274, 81764010, 89940411, 99933790, 119920548, 149900685, 163528020, 179880822, 199867580, 299801370, 359761644, 449702055, 599602740, 899404110, 1798808220]

約数ペア:

[(1, 1798808220), (2, 899404110), (3, 599602740), (4, 449702055), (5, 359761644), (6, 299801370), (9, 199867580), (10, 179880822), (11, 163528020), (12, 149900685), (15, 119920548), (18, 99933790), (20, 89940411), (22, 81764010), (30, 59960274), (33, 54509340), (36, 49966895), (44, 40882005), (45, 39973516), (55, 32705604), (60, 29980137), (66, 27254670), (90, 19986758), (99, 18169780), (110, 16352802), (132, 13627335), (165, 10901868), (180, 9993379), (198, 9084890), (220, 8176401), (330, 5450934), (396, 4542445), (495, 3633956), (660, 2725467), (990, 1816978), (1980, 908489)]