1128392140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{373}}^1\times {\mathrm{419}}^1$

素因数の和:839

約数の個数: 72

約数和(自身を含む): 2513594160

約数和(自身を除く): 1385202020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 373, 380, 419, 722, 746, 838, 1444, 1492, 1676, 1805, 1865, 2095, 3610, 3730, 4190, 7087, 7220, 7460, 7961, 8380, 14174, 15922, 28348, 31844, 35435, 39805, 70870, 79610, 134653, 141740, 151259, 156287, 159220, 269306, 302518, 312574, 538612, 605036, 625148, 673265, 756295, 781435, 1346530, 1512590, 1562870, 2693060, 2969453, 3025180, 3125740, 5938906, 11877812, 14847265, 29694530, 56419607, 59389060, 112839214, 225678428, 282098035, 564196070, 1128392140]

約数ペア:

[(1, 1128392140), (2, 564196070), (4, 282098035), (5, 225678428), (10, 112839214), (19, 59389060), (20, 56419607), (38, 29694530), (76, 14847265), (95, 11877812), (190, 5938906), (361, 3125740), (373, 3025180), (380, 2969453), (419, 2693060), (722, 1562870), (746, 1512590), (838, 1346530), (1444, 781435), (1492, 756295), (1676, 673265), (1805, 625148), (1865, 605036), (2095, 538612), (3610, 312574), (3730, 302518), (4190, 269306), (7087, 159220), (7220, 156287), (7460, 151259), (7961, 141740), (8380, 134653), (14174, 79610), (15922, 70870), (28348, 39805), (31844, 35435)]