2018686780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{66977}}^1$

素因数の和:67134

約数の個数: 48

約数和(自身を含む): 4658453856

約数和(自身を除く): 2639767076

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 548, 685, 1370, 1507, 2740, 3014, 6028, 7535, 15070, 30140, 66977, 133954, 267908, 334885, 669770, 736747, 1339540, 1473494, 2946988, 3683735, 7367470, 9175849, 14734940, 18351698, 36703396, 45879245, 91758490, 100934339, 183516980, 201868678, 403737356, 504671695, 1009343390, 2018686780]

約数ペア:

[(1, 2018686780), (2, 1009343390), (4, 504671695), (5, 403737356), (10, 201868678), (11, 183516980), (20, 100934339), (22, 91758490), (44, 45879245), (55, 36703396), (110, 18351698), (137, 14734940), (220, 9175849), (274, 7367470), (548, 3683735), (685, 2946988), (1370, 1473494), (1507, 1339540), (2740, 736747), (3014, 669770), (6028, 334885), (7535, 267908), (15070, 133954), (30140, 66977)]