214253420

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{27539}}^1$

素因数の和:27937

約数の個数: 24

約数和(自身を含む): 451105200

約数和(自身を除く): 236851780

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 27539, 55078, 110156, 137695, 275390, 550780, 10712671, 21425342, 42850684, 53563355, 107126710, 214253420]

約数ペア:

[(1, 214253420), (2, 107126710), (4, 53563355), (5, 42850684), (10, 21425342), (20, 10712671), (389, 550780), (778, 275390), (1556, 137695), (1945, 110156), (3890, 55078), (7780, 27539)]