945831440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{274951}}^1$

素因数の和:275007

約数の個数: 40

約数和(自身を含む): 2250207168

約数和(自身を除く): 1304375728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 274951, 549902, 1099804, 1374755, 2199608, 2749510, 4399216, 5499020, 10998040, 11822893, 21996080, 23645786, 47291572, 59114465, 94583144, 118228930, 189166288, 236457860, 472915720, 945831440]

約数ペア:

[(1, 945831440), (2, 472915720), (4, 236457860), (5, 189166288), (8, 118228930), (10, 94583144), (16, 59114465), (20, 47291572), (40, 23645786), (43, 21996080), (80, 11822893), (86, 10998040), (172, 5499020), (215, 4399216), (344, 2749510), (430, 2199608), (688, 1374755), (860, 1099804), (1720, 549902), (3440, 274951)]