388622060

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{2003}}^1$

素因数の和:2210

約数の個数: 48

約数和(自身を含む): 833263200

約数和(自身を除く): 444641140

約数列:

[1, 2, 4, 5, 10, 20, 89, 109, 178, 218, 356, 436, 445, 545, 890, 1090, 1780, 2003, 2180, 4006, 8012, 9701, 10015, 19402, 20030, 38804, 40060, 48505, 97010, 178267, 194020, 218327, 356534, 436654, 713068, 873308, 891335, 1091635, 1782670, 2183270, 3565340, 4366540, 19431103, 38862206, 77724412, 97155515, 194311030, 388622060]

約数ペア:

[(1, 388622060), (2, 194311030), (4, 97155515), (5, 77724412), (10, 38862206), (20, 19431103), (89, 4366540), (109, 3565340), (178, 2183270), (218, 1782670), (356, 1091635), (436, 891335), (445, 873308), (545, 713068), (890, 436654), (1090, 356534), (1780, 218327), (2003, 194020), (2180, 178267), (4006, 97010), (8012, 48505), (9701, 40060), (10015, 38804), (19402, 20030)]