2019915920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{2939}}^1$

素因数の和:3045

約数の個数: 120

約数和(自身を含む): 5236539840

約数和(自身を除く): 3216623920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 121, 142, 176, 220, 242, 284, 355, 440, 484, 568, 605, 710, 781, 880, 968, 1136, 1210, 1420, 1562, 1936, 2420, 2840, 2939, 3124, 3905, 4840, 5680, 5878, 6248, 7810, 8591, 9680, 11756, 12496, 14695, 15620, 17182, 23512, 29390, 31240, 32329, 34364, 42955, 47024, 58780, 62480, 64658, 68728, 85910, 117560, 129316, 137456, 161645, 171820, 208669, 235120, 258632, 323290, 343640, 355619, 417338, 517264, 646580, 687280, 711238, 834676, 1043345, 1293160, 1422476, 1669352, 1778095, 2086690, 2295359, 2586320, 2844952, 3338704, 3556190, 4173380, 4590718, 5689904, 7112380, 8346760, 9181436, 11476795, 14224760, 16693520, 18362872, 22953590, 25248949, 28449520, 36725744, 45907180, 50497898, 91814360, 100995796, 126244745, 183628720, 201991592, 252489490, 403983184, 504978980, 1009957960, 2019915920]

約数ペア:

[(1, 2019915920), (2, 1009957960), (4, 504978980), (5, 403983184), (8, 252489490), (10, 201991592), (11, 183628720), (16, 126244745), (20, 100995796), (22, 91814360), (40, 50497898), (44, 45907180), (55, 36725744), (71, 28449520), (80, 25248949), (88, 22953590), (110, 18362872), (121, 16693520), (142, 14224760), (176, 11476795), (220, 9181436), (242, 8346760), (284, 7112380), (355, 5689904), (440, 4590718), (484, 4173380), (568, 3556190), (605, 3338704), (710, 2844952), (781, 2586320), (880, 2295359), (968, 2086690), (1136, 1778095), (1210, 1669352), (1420, 1422476), (1562, 1293160), (1936, 1043345), (2420, 834676), (2840, 711238), (2939, 687280), (3124, 646580), (3905, 517264), (4840, 417338), (5680, 355619), (5878, 343640), (6248, 323290), (7810, 258632), (8591, 235120), (9680, 208669), (11756, 171820), (12496, 161645), (14695, 137456), (15620, 129316), (17182, 117560), (23512, 85910), (29390, 68728), (31240, 64658), (32329, 62480), (34364, 58780), (42955, 47024)]