231878380

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{27539}}^1$

素因数の和:27969

約数の個数: 24

約数和(自身を含む): 488118960

約数和(自身を除く): 256240580

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 27539, 55078, 110156, 137695, 275390, 550780, 11593919, 23187838, 46375676, 57969595, 115939190, 231878380]

約数ペア:

[(1, 231878380), (2, 115939190), (4, 57969595), (5, 46375676), (10, 23187838), (20, 11593919), (421, 550780), (842, 275390), (1684, 137695), (2105, 110156), (4210, 55078), (8420, 27539)]