204861440

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{1429}}^1$

素因数の和:1465

約数の個数: 104

約数和(自身を含む): 562230240

約数和(自身を除く): 357368800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1024, 1120, 1280, 1429, 1792, 2048, 2240, 2560, 2858, 3584, 4096, 4480, 5120, 5716, 7145, 7168, 8960, 10003, 10240, 11432, 14290, 14336, 17920, 20006, 20480, 22864, 28580, 28672, 35840, 40012, 45728, 50015, 57160, 71680, 80024, 91456, 100030, 114320, 143360, 160048, 182912, 200060, 228640, 320096, 365824, 400120, 457280, 640192, 731648, 800240, 914560, 1280384, 1463296, 1600480, 1829120, 2560768, 2926592, 3200960, 3658240, 5121536, 5853184, 6401920, 7316480, 10243072, 12803840, 14632960, 20486144, 25607680, 29265920, 40972288, 51215360, 102430720, 204861440]

約数ペア:

[(1, 204861440), (2, 102430720), (4, 51215360), (5, 40972288), (7, 29265920), (8, 25607680), (10, 20486144), (14, 14632960), (16, 12803840), (20, 10243072), (28, 7316480), (32, 6401920), (35, 5853184), (40, 5121536), (56, 3658240), (64, 3200960), (70, 2926592), (80, 2560768), (112, 1829120), (128, 1600480), (140, 1463296), (160, 1280384), (224, 914560), (256, 800240), (280, 731648), (320, 640192), (448, 457280), (512, 400120), (560, 365824), (640, 320096), (896, 228640), (1024, 200060), (1120, 182912), (1280, 160048), (1429, 143360), (1792, 114320), (2048, 100030), (2240, 91456), (2560, 80024), (2858, 71680), (3584, 57160), (4096, 50015), (4480, 45728), (5120, 40012), (5716, 35840), (7145, 28672), (7168, 28580), (8960, 22864), (10003, 20480), (10240, 20006), (11432, 17920), (14290, 14336)]