244340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 540960

約数和(自身を除く): 296620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 643, 1286, 2572, 3215, 6430, 12217, 12860, 24434, 48868, 61085, 122170, 244340]

約数ペア:

[(1, 244340), (2, 122170), (4, 61085), (5, 48868), (10, 24434), (19, 12860), (20, 12217), (38, 6430), (76, 3215), (95, 2572), (190, 1286), (380, 643)]