990178740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{5500993}}^1$

素因数の和:5501008

約数の個数: 36

約数和(自身を含む): 3003542724

約数和(自身を除く): 2013363984

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 5500993, 11001986, 16502979, 22003972, 27504965, 33005958, 49508937, 55009930, 66011916, 82514895, 99017874, 110019860, 165029790, 198035748, 247544685, 330059580, 495089370, 990178740]

約数ペア:

[(1, 990178740), (2, 495089370), (3, 330059580), (4, 247544685), (5, 198035748), (6, 165029790), (9, 110019860), (10, 99017874), (12, 82514895), (15, 66011916), (18, 55009930), (20, 49508937), (30, 33005958), (36, 27504965), (45, 22003972), (60, 16502979), (90, 11001986), (180, 5500993)]