558825520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{919}}^1$

素因数の和:1634

約数の個数: 80

約数和(自身を含む): 1420980480

約数和(自身を除く): 862154960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 691, 880, 919, 1382, 1838, 2764, 3455, 3676, 4595, 5528, 6910, 7352, 7601, 9190, 10109, 11056, 13820, 14704, 15202, 18380, 20218, 27640, 30404, 36760, 38005, 40436, 50545, 55280, 60808, 73520, 76010, 80872, 101090, 121616, 152020, 161744, 202180, 304040, 404360, 608080, 635029, 808720, 1270058, 2540116, 3175145, 5080232, 6350290, 6985319, 10160464, 12700580, 13970638, 25401160, 27941276, 34926595, 50802320, 55882552, 69853190, 111765104, 139706380, 279412760, 558825520]

約数ペア:

[(1, 558825520), (2, 279412760), (4, 139706380), (5, 111765104), (8, 69853190), (10, 55882552), (11, 50802320), (16, 34926595), (20, 27941276), (22, 25401160), (40, 13970638), (44, 12700580), (55, 10160464), (80, 6985319), (88, 6350290), (110, 5080232), (176, 3175145), (220, 2540116), (440, 1270058), (691, 808720), (880, 635029), (919, 608080), (1382, 404360), (1838, 304040), (2764, 202180), (3455, 161744), (3676, 152020), (4595, 121616), (5528, 101090), (6910, 80872), (7352, 76010), (7601, 73520), (9190, 60808), (10109, 55280), (11056, 50545), (13820, 40436), (14704, 38005), (15202, 36760), (18380, 30404), (20218, 27640)]