254440880

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{29179}}^1$

素因数の和:29301

約数の個数: 40

約数和(自身を含む): 597022800

約数和(自身を除く): 342581920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 29179, 58358, 116716, 145895, 233432, 291790, 466864, 583580, 1167160, 2334320, 3180511, 6361022, 12722044, 15902555, 25444088, 31805110, 50888176, 63610220, 127220440, 254440880]

約数ペア:

[(1, 254440880), (2, 127220440), (4, 63610220), (5, 50888176), (8, 31805110), (10, 25444088), (16, 15902555), (20, 12722044), (40, 6361022), (80, 3180511), (109, 2334320), (218, 1167160), (436, 583580), (545, 466864), (872, 291790), (1090, 233432), (1744, 145895), (2180, 116716), (4360, 58358), (8720, 29179)]