8989020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{49939}}^1$

素因数の和:49954

約数の個数: 36

約数和(自身を含む): 27267240

約数和(自身を除く): 18278220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 49939, 99878, 149817, 199756, 249695, 299634, 449451, 499390, 599268, 749085, 898902, 998780, 1498170, 1797804, 2247255, 2996340, 4494510, 8989020]

約数ペア:

[(1, 8989020), (2, 4494510), (3, 2996340), (4, 2247255), (5, 1797804), (6, 1498170), (9, 998780), (10, 898902), (12, 749085), (15, 599268), (18, 499390), (20, 449451), (30, 299634), (36, 249695), (45, 199756), (60, 149817), (90, 99878), (180, 49939)]