201230780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113051}}^1$

素因数の和:113149

約数の個数: 24

約数和(自身を含む): 427336560

約数和(自身を除く): 226105780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 113051, 226102, 452204, 565255, 1130510, 2261020, 10061539, 20123078, 40246156, 50307695, 100615390, 201230780]

約数ペア:

[(1, 201230780), (2, 100615390), (4, 50307695), (5, 40246156), (10, 20123078), (20, 10061539), (89, 2261020), (178, 1130510), (356, 565255), (445, 452204), (890, 226102), (1780, 113051)]