1461380

素因数分解:

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

素因数の和:919

約数の個数: 24

約数和(自身を含む): 3107160

約数和(自身を除く): 1645780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 821, 890, 1642, 1780, 3284, 4105, 8210, 16420, 73069, 146138, 292276, 365345, 730690, 1461380]

約数ペア:

[(1, 1461380), (2, 730690), (4, 365345), (5, 292276), (10, 146138), (20, 73069), (89, 16420), (178, 8210), (356, 4105), (445, 3284), (821, 1780), (890, 1642)]