2009921208

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:829

約数の個数: 128

約数和(自身を含む): 5358704640

約数和(自身を除く): 3348783432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 61, 62, 67, 93, 122, 124, 134, 183, 186, 201, 244, 248, 268, 366, 372, 402, 488, 536, 661, 732, 744, 804, 1322, 1464, 1608, 1891, 1983, 2077, 2644, 3782, 3966, 4087, 4154, 5288, 5673, 6231, 7564, 7932, 8174, 8308, 11346, 12261, 12462, 15128, 15864, 16348, 16616, 20491, 22692, 24522, 24924, 32696, 40321, 40982, 44287, 45384, 49044, 49848, 61473, 80642, 81964, 88574, 98088, 120963, 122946, 126697, 132861, 161284, 163928, 177148, 241926, 245892, 253394, 265722, 322568, 354296, 380091, 483852, 491784, 506788, 531444, 760182, 967704, 1013576, 1062888, 1249951, 1372897, 1520364, 2499902, 2701507, 2745794, 3040728, 3749853, 4118691, 4999804, 5403014, 5491588, 7499706, 8104521, 8237382, 9999608, 10806028, 10983176, 14999412, 16209042, 16474764, 21612056, 29998824, 32418084, 32949528, 64836168, 83746717, 167493434, 251240151, 334986868, 502480302, 669973736, 1004960604, 2009921208]

約数ペア:

[(1, 2009921208), (2, 1004960604), (3, 669973736), (4, 502480302), (6, 334986868), (8, 251240151), (12, 167493434), (24, 83746717), (31, 64836168), (61, 32949528), (62, 32418084), (67, 29998824), (93, 21612056), (122, 16474764), (124, 16209042), (134, 14999412), (183, 10983176), (186, 10806028), (201, 9999608), (244, 8237382), (248, 8104521), (268, 7499706), (366, 5491588), (372, 5403014), (402, 4999804), (488, 4118691), (536, 3749853), (661, 3040728), (732, 2745794), (744, 2701507), (804, 2499902), (1322, 1520364), (1464, 1372897), (1608, 1249951), (1891, 1062888), (1983, 1013576), (2077, 967704), (2644, 760182), (3782, 531444), (3966, 506788), (4087, 491784), (4154, 483852), (5288, 380091), (5673, 354296), (6231, 322568), (7564, 265722), (7932, 253394), (8174, 245892), (8308, 241926), (11346, 177148), (12261, 163928), (12462, 161284), (15128, 132861), (15864, 126697), (16348, 122946), (16616, 120963), (20491, 98088), (22692, 88574), (24522, 81964), (24924, 80642), (32696, 61473), (40321, 49848), (40982, 49044), (44287, 45384)]