2699208020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{79811}}^1$

素因数の和:79928

約数の個数: 48

約数和(自身を含む): 6033787200

約数和(自身を除く): 3334579180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 3382, 6764, 8455, 16910, 33820, 79811, 159622, 319244, 399055, 798110, 1516409, 1596220, 3032818, 6065636, 7103179, 7582045, 14206358, 15164090, 28412716, 30328180, 35515895, 71031790, 134960401, 142063580, 269920802, 539841604, 674802005, 1349604010, 2699208020]

約数ペア:

[(1, 2699208020), (2, 1349604010), (4, 674802005), (5, 539841604), (10, 269920802), (19, 142063580), (20, 134960401), (38, 71031790), (76, 35515895), (89, 30328180), (95, 28412716), (178, 15164090), (190, 14206358), (356, 7582045), (380, 7103179), (445, 6065636), (890, 3032818), (1691, 1596220), (1780, 1516409), (3382, 798110), (6764, 399055), (8455, 319244), (16910, 159622), (33820, 79811)]