254830240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{103}}^1$

素因数の和:219

約数の個数: 144

約数和(自身を含む): 709817472

約数和(自身を除く): 454987232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 70, 80, 94, 103, 112, 140, 160, 188, 206, 224, 235, 280, 329, 376, 412, 470, 515, 560, 658, 721, 752, 824, 940, 1030, 1120, 1316, 1442, 1504, 1645, 1648, 1880, 2060, 2209, 2632, 2884, 3290, 3296, 3605, 3760, 4120, 4418, 4841, 5264, 5768, 6580, 7210, 7520, 8240, 8836, 9682, 10528, 11045, 11536, 13160, 14420, 15463, 16480, 17672, 19364, 22090, 23072, 24205, 26320, 28840, 30926, 33887, 35344, 38728, 44180, 48410, 52640, 57680, 61852, 67774, 70688, 77315, 77456, 88360, 96820, 115360, 123704, 135548, 154630, 154912, 169435, 176720, 193640, 227527, 247408, 271096, 309260, 338870, 353440, 387280, 455054, 494816, 542192, 618520, 677740, 774560, 910108, 1084384, 1137635, 1237040, 1355480, 1592689, 1820216, 2275270, 2474080, 2710960, 3185378, 3640432, 4550540, 5421920, 6370756, 7280864, 7963445, 9101080, 12741512, 15926890, 18202160, 25483024, 31853780, 36404320, 50966048, 63707560, 127415120, 254830240]

約数ペア:

[(1, 254830240), (2, 127415120), (4, 63707560), (5, 50966048), (7, 36404320), (8, 31853780), (10, 25483024), (14, 18202160), (16, 15926890), (20, 12741512), (28, 9101080), (32, 7963445), (35, 7280864), (40, 6370756), (47, 5421920), (56, 4550540), (70, 3640432), (80, 3185378), (94, 2710960), (103, 2474080), (112, 2275270), (140, 1820216), (160, 1592689), (188, 1355480), (206, 1237040), (224, 1137635), (235, 1084384), (280, 910108), (329, 774560), (376, 677740), (412, 618520), (470, 542192), (515, 494816), (560, 455054), (658, 387280), (721, 353440), (752, 338870), (824, 309260), (940, 271096), (1030, 247408), (1120, 227527), (1316, 193640), (1442, 176720), (1504, 169435), (1645, 154912), (1648, 154630), (1880, 135548), (2060, 123704), (2209, 115360), (2632, 96820), (2884, 88360), (3290, 77456), (3296, 77315), (3605, 70688), (3760, 67774), (4120, 61852), (4418, 57680), (4841, 52640), (5264, 48410), (5768, 44180), (6580, 38728), (7210, 35344), (7520, 33887), (8240, 30926), (8836, 28840), (9682, 26320), (10528, 24205), (11045, 23072), (11536, 22090), (13160, 19364), (14420, 17672), (15463, 16480)]