7718180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1069}}^1$

素因数の和:1116

約数の個数: 36

約数和(自身を含む): 17122140

約数和(自身を除く): 9403960

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1069, 1444, 1805, 2138, 3610, 4276, 5345, 7220, 10690, 20311, 21380, 40622, 81244, 101555, 203110, 385909, 406220, 771818, 1543636, 1929545, 3859090, 7718180]

約数ペア:

[(1, 7718180), (2, 3859090), (4, 1929545), (5, 1543636), (10, 771818), (19, 406220), (20, 385909), (38, 203110), (76, 101555), (95, 81244), (190, 40622), (361, 21380), (380, 20311), (722, 10690), (1069, 7220), (1444, 5345), (1805, 4276), (2138, 3610)]