201787790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{62473}}^1$

素因数の和:62516

約数の個数: 32

約数和(自身を含む): 404831520

約数和(自身を除く): 203043730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 62473, 124946, 312365, 624730, 1062041, 1186987, 2124082, 2373974, 5310205, 5934935, 10620410, 11869870, 20178779, 40357558, 100893895, 201787790]

約数ペア:

[(1, 201787790), (2, 100893895), (5, 40357558), (10, 20178779), (17, 11869870), (19, 10620410), (34, 5934935), (38, 5310205), (85, 2373974), (95, 2124082), (170, 1186987), (190, 1062041), (323, 624730), (646, 312365), (1615, 124946), (3230, 62473)]