198164520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{550457}}^1$

素因数の和:550474

約数の個数: 48

約数和(自身を含む): 644035860

約数和(自身を除く): 445871340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 550457, 1100914, 1651371, 2201828, 2752285, 3302742, 4403656, 4954113, 5504570, 6605484, 8256855, 9908226, 11009140, 13210968, 16513710, 19816452, 22018280, 24770565, 33027420, 39632904, 49541130, 66054840, 99082260, 198164520]

約数ペア:

[(1, 198164520), (2, 99082260), (3, 66054840), (4, 49541130), (5, 39632904), (6, 33027420), (8, 24770565), (9, 22018280), (10, 19816452), (12, 16513710), (15, 13210968), (18, 11009140), (20, 9908226), (24, 8256855), (30, 6605484), (36, 5504570), (40, 4954113), (45, 4403656), (60, 3302742), (72, 2752285), (90, 2201828), (120, 1651371), (180, 1100914), (360, 550457)]