493089280

素因数分解:

$2^9\times 5^1\times {\mathrm{192613}}^1$

素因数の和:192636

約数の個数: 40

約数和(自身を含む): 1182264732

約数和(自身を除く): 689175452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 192613, 385226, 770452, 963065, 1540904, 1926130, 3081808, 3852260, 6163616, 7704520, 12327232, 15409040, 24654464, 30818080, 49308928, 61636160, 98617856, 123272320, 246544640, 493089280]

約数ペア:

[(1, 493089280), (2, 246544640), (4, 123272320), (5, 98617856), (8, 61636160), (10, 49308928), (16, 30818080), (20, 24654464), (32, 15409040), (40, 12327232), (64, 7704520), (80, 6163616), (128, 3852260), (160, 3081808), (256, 1926130), (320, 1540904), (512, 963065), (640, 770452), (1280, 385226), (2560, 192613)]