27766220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{821}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 62143200

約数和(自身を除く): 34376980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 821, 890, 1642, 1691, 1780, 3284, 3382, 4105, 6764, 8210, 8455, 15599, 16420, 16910, 31198, 33820, 62396, 73069, 77995, 146138, 155990, 292276, 311980, 365345, 730690, 1388311, 1461380, 2776622, 5553244, 6941555, 13883110, 27766220]

約数ペア:

[(1, 27766220), (2, 13883110), (4, 6941555), (5, 5553244), (10, 2776622), (19, 1461380), (20, 1388311), (38, 730690), (76, 365345), (89, 311980), (95, 292276), (178, 155990), (190, 146138), (356, 77995), (380, 73069), (445, 62396), (821, 33820), (890, 31198), (1642, 16910), (1691, 16420), (1780, 15599), (3284, 8455), (3382, 8210), (4105, 6764)]