199620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1109}}^1$

素因数の和:1124

約数の個数: 36

約数和(自身を含む): 606060

約数和(自身を除く): 406440

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1109, 2218, 3327, 4436, 5545, 6654, 9981, 11090, 13308, 16635, 19962, 22180, 33270, 39924, 49905, 66540, 99810, 199620]

約数ペア:

[(1, 199620), (2, 99810), (3, 66540), (4, 49905), (5, 39924), (6, 33270), (9, 22180), (10, 19962), (12, 16635), (15, 13308), (18, 11090), (20, 9981), (30, 6654), (36, 5545), (45, 4436), (60, 3327), (90, 2218), (180, 1109)]