290401040

素因数分解:

$2^4\times 5^1\times {\mathrm{883}}^1\times {\mathrm{4111}}^1$

素因数の和:5007

約数の個数: 40

約数和(自身を含む): 676111488

約数和(自身を除く): 385710448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 883, 1766, 3532, 4111, 4415, 7064, 8222, 8830, 14128, 16444, 17660, 20555, 32888, 35320, 41110, 65776, 70640, 82220, 164440, 328880, 3630013, 7260026, 14520052, 18150065, 29040104, 36300130, 58080208, 72600260, 145200520, 290401040]

約数ペア:

[(1, 290401040), (2, 145200520), (4, 72600260), (5, 58080208), (8, 36300130), (10, 29040104), (16, 18150065), (20, 14520052), (40, 7260026), (80, 3630013), (883, 328880), (1766, 164440), (3532, 82220), (4111, 70640), (4415, 65776), (7064, 41110), (8222, 35320), (8830, 32888), (14128, 20555), (16444, 17660)]