201878120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{117371}}^1$

素因数の和:117425

約数の個数: 32

約数和(自身を含む): 464793120

約数和(自身を除く): 262915000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 117371, 234742, 469484, 586855, 938968, 1173710, 2347420, 4694840, 5046953, 10093906, 20187812, 25234765, 40375624, 50469530, 100939060, 201878120]

約数ペア:

[(1, 201878120), (2, 100939060), (4, 50469530), (5, 40375624), (8, 25234765), (10, 20187812), (20, 10093906), (40, 5046953), (43, 4694840), (86, 2347420), (172, 1173710), (215, 938968), (344, 586855), (430, 469484), (860, 234742), (1720, 117371)]