2019742450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:580

約数の個数: 96

約数和(自身を含む): 4190838912

約数和(自身を除く): 2171096462

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 101, 103, 110, 202, 206, 275, 353, 505, 515, 550, 706, 1010, 1030, 1111, 1133, 1765, 2222, 2266, 2525, 2575, 3530, 3883, 5050, 5150, 5555, 5665, 7766, 8825, 10403, 11110, 11330, 17650, 19415, 20806, 27775, 28325, 35653, 36359, 38830, 52015, 55550, 56650, 71306, 72718, 97075, 104030, 114433, 178265, 181795, 194150, 228866, 260075, 356530, 363590, 392183, 399949, 520150, 572165, 784366, 799898, 891325, 908975, 1144330, 1782650, 1817950, 1960915, 1999745, 2860825, 3672259, 3921830, 3999490, 5721650, 7344518, 9804575, 9998725, 18361295, 19609150, 19997450, 36722590, 40394849, 80789698, 91806475, 183612950, 201974245, 403948490, 1009871225, 2019742450]

約数ペア:

[(1, 2019742450), (2, 1009871225), (5, 403948490), (10, 201974245), (11, 183612950), (22, 91806475), (25, 80789698), (50, 40394849), (55, 36722590), (101, 19997450), (103, 19609150), (110, 18361295), (202, 9998725), (206, 9804575), (275, 7344518), (353, 5721650), (505, 3999490), (515, 3921830), (550, 3672259), (706, 2860825), (1010, 1999745), (1030, 1960915), (1111, 1817950), (1133, 1782650), (1765, 1144330), (2222, 908975), (2266, 891325), (2525, 799898), (2575, 784366), (3530, 572165), (3883, 520150), (5050, 399949), (5150, 392183), (5555, 363590), (5665, 356530), (7766, 260075), (8825, 228866), (10403, 194150), (11110, 181795), (11330, 178265), (17650, 114433), (19415, 104030), (20806, 97075), (27775, 72718), (28325, 71306), (35653, 56650), (36359, 55550), (38830, 52015)]