2019922520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{4787}}^1$

素因数の和:4953

約数の個数: 128

約数和(自身を含む): 5708828160

約数和(自身を除く): 3688905640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 137, 140, 154, 220, 274, 280, 308, 385, 440, 548, 616, 685, 770, 959, 1096, 1370, 1507, 1540, 1918, 2740, 3014, 3080, 3836, 4787, 4795, 5480, 6028, 7535, 7672, 9574, 9590, 10549, 12056, 15070, 19148, 19180, 21098, 23935, 30140, 33509, 38296, 38360, 42196, 47870, 52657, 52745, 60280, 67018, 84392, 95740, 105314, 105490, 134036, 167545, 191480, 210628, 210980, 263285, 268072, 335090, 368599, 421256, 421960, 526570, 655819, 670180, 737198, 1053140, 1311638, 1340360, 1474396, 1842995, 2106280, 2623276, 2948792, 3279095, 3685990, 4590733, 5246552, 6558190, 7214009, 7371980, 9181466, 13116380, 14428018, 14743960, 18362932, 22953665, 26232760, 28856036, 36070045, 36725864, 45907330, 50498063, 57712072, 72140090, 91814660, 100996126, 144280180, 183629320, 201992252, 252490315, 288560360, 403984504, 504980630, 1009961260, 2019922520]

約数ペア:

[(1, 2019922520), (2, 1009961260), (4, 504980630), (5, 403984504), (7, 288560360), (8, 252490315), (10, 201992252), (11, 183629320), (14, 144280180), (20, 100996126), (22, 91814660), (28, 72140090), (35, 57712072), (40, 50498063), (44, 45907330), (55, 36725864), (56, 36070045), (70, 28856036), (77, 26232760), (88, 22953665), (110, 18362932), (137, 14743960), (140, 14428018), (154, 13116380), (220, 9181466), (274, 7371980), (280, 7214009), (308, 6558190), (385, 5246552), (440, 4590733), (548, 3685990), (616, 3279095), (685, 2948792), (770, 2623276), (959, 2106280), (1096, 1842995), (1370, 1474396), (1507, 1340360), (1540, 1311638), (1918, 1053140), (2740, 737198), (3014, 670180), (3080, 655819), (3836, 526570), (4787, 421960), (4795, 421256), (5480, 368599), (6028, 335090), (7535, 268072), (7672, 263285), (9574, 210980), (9590, 210628), (10549, 191480), (12056, 167545), (15070, 134036), (19148, 105490), (19180, 105314), (21098, 95740), (23935, 84392), (30140, 67018), (33509, 60280), (38296, 52745), (38360, 52657), (42196, 47870)]