81356744140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1\times {\mathrm{15289}}^1$

素因数の和:15695

約数の個数: 96

約数和(自身を含む): 197277696000

約数和(自身を除く): 115920951860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 199, 382, 398, 764, 796, 955, 995, 1337, 1393, 1910, 1990, 2674, 2786, 3820, 3980, 5348, 5572, 6685, 6965, 13370, 13930, 15289, 26740, 27860, 30578, 38009, 61156, 76018, 76445, 107023, 152036, 152890, 190045, 214046, 266063, 305780, 380090, 428092, 532126, 535115, 760180, 1064252, 1070230, 1330315, 2140460, 2660630, 2920199, 3042511, 5321260, 5840398, 6085022, 11680796, 12170044, 14600995, 15212555, 20441393, 21297577, 29201990, 30425110, 40882786, 42595154, 58403980, 60850220, 81765572, 85190308, 102206965, 106487885, 204413930, 212975770, 408827860, 425951540, 581119601, 1162239202, 2324478404, 2905598005, 4067837207, 5811196010, 8135674414, 11622392020, 16271348828, 20339186035, 40678372070, 81356744140]

約数ペア:

[(1, 81356744140), (2, 40678372070), (4, 20339186035), (5, 16271348828), (7, 11622392020), (10, 8135674414), (14, 5811196010), (20, 4067837207), (28, 2905598005), (35, 2324478404), (70, 1162239202), (140, 581119601), (191, 425951540), (199, 408827860), (382, 212975770), (398, 204413930), (764, 106487885), (796, 102206965), (955, 85190308), (995, 81765572), (1337, 60850220), (1393, 58403980), (1910, 42595154), (1990, 40882786), (2674, 30425110), (2786, 29201990), (3820, 21297577), (3980, 20441393), (5348, 15212555), (5572, 14600995), (6685, 12170044), (6965, 11680796), (13370, 6085022), (13930, 5840398), (15289, 5321260), (26740, 3042511), (27860, 2920199), (30578, 2660630), (38009, 2140460), (61156, 1330315), (76018, 1070230), (76445, 1064252), (107023, 760180), (152036, 535115), (152890, 532126), (190045, 428092), (214046, 380090), (266063, 305780)]