1221700

素因数分解:

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

素因数の和:676

約数の個数: 36

約数和(自身を含む): 2794960

約数和(自身を除く): 1573260

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 643, 950, 1286, 1900, 2572, 3215, 6430, 12217, 12860, 16075, 24434, 32150, 48868, 61085, 64300, 122170, 244340, 305425, 610850, 1221700]

約数ペア:

[(1, 1221700), (2, 610850), (4, 305425), (5, 244340), (10, 122170), (19, 64300), (20, 61085), (25, 48868), (38, 32150), (50, 24434), (76, 16075), (95, 12860), (100, 12217), (190, 6430), (380, 3215), (475, 2572), (643, 1900), (950, 1286)]