897889280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1117}}^1$

素因数の和:1299

約数の個数: 88

約数和(自身を含む): 2169541608

約数和(自身を除く): 1271652328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 256, 314, 320, 512, 628, 640, 785, 1024, 1117, 1256, 1280, 1570, 2234, 2512, 2560, 3140, 4468, 5024, 5120, 5585, 6280, 8936, 10048, 11170, 12560, 17872, 20096, 22340, 25120, 35744, 40192, 44680, 50240, 71488, 80384, 89360, 100480, 142976, 160768, 175369, 178720, 200960, 285952, 350738, 357440, 401920, 571904, 701476, 714880, 803840, 876845, 1143808, 1402952, 1429760, 1753690, 2805904, 2859520, 3507380, 5611808, 5719040, 7014760, 11223616, 14029520, 22447232, 28059040, 44894464, 56118080, 89788928, 112236160, 179577856, 224472320, 448944640, 897889280]

約数ペア:

[(1, 897889280), (2, 448944640), (4, 224472320), (5, 179577856), (8, 112236160), (10, 89788928), (16, 56118080), (20, 44894464), (32, 28059040), (40, 22447232), (64, 14029520), (80, 11223616), (128, 7014760), (157, 5719040), (160, 5611808), (256, 3507380), (314, 2859520), (320, 2805904), (512, 1753690), (628, 1429760), (640, 1402952), (785, 1143808), (1024, 876845), (1117, 803840), (1256, 714880), (1280, 701476), (1570, 571904), (2234, 401920), (2512, 357440), (2560, 350738), (3140, 285952), (4468, 200960), (5024, 178720), (5120, 175369), (5585, 160768), (6280, 142976), (8936, 100480), (10048, 89360), (11170, 80384), (12560, 71488), (17872, 50240), (20096, 44680), (22340, 40192), (25120, 35744)]