289790720

素因数分解:

$2^8\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4817}}^1$

素因数の和:4885

約数の個数: 72

約数和(自身を含む): 709055424

約数和(自身を除く): 419264704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 256, 320, 376, 470, 640, 752, 940, 1280, 1504, 1880, 3008, 3760, 4817, 6016, 7520, 9634, 12032, 15040, 19268, 24085, 30080, 38536, 48170, 60160, 77072, 96340, 154144, 192680, 226399, 308288, 385360, 452798, 616576, 770720, 905596, 1131995, 1233152, 1541440, 1811192, 2263990, 3082880, 3622384, 4527980, 6165760, 7244768, 9055960, 14489536, 18111920, 28979072, 36223840, 57958144, 72447680, 144895360, 289790720]

約数ペア:

[(1, 289790720), (2, 144895360), (4, 72447680), (5, 57958144), (8, 36223840), (10, 28979072), (16, 18111920), (20, 14489536), (32, 9055960), (40, 7244768), (47, 6165760), (64, 4527980), (80, 3622384), (94, 3082880), (128, 2263990), (160, 1811192), (188, 1541440), (235, 1233152), (256, 1131995), (320, 905596), (376, 770720), (470, 616576), (640, 452798), (752, 385360), (940, 308288), (1280, 226399), (1504, 192680), (1880, 154144), (3008, 96340), (3760, 77072), (4817, 60160), (6016, 48170), (7520, 38536), (9634, 30080), (12032, 24085), (15040, 19268)]