251690419940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{17215487}}^1$

素因数の和:17215556

約数の個数: 48

約数和(自身を含む): 572655992832

約数和(自身を除く): 320965572892

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 7310, 14620, 17215487, 34430974, 68861948, 86077435, 172154870, 292663279, 344309740, 585326558, 740265941, 1170653116, 1463316395, 1480531882, 2926632790, 2961063764, 3701329705, 5853265580, 7402659410, 12584520997, 14805318820, 25169041994, 50338083988, 62922604985, 125845209970, 251690419940]

約数ペア:

[(1, 251690419940), (2, 125845209970), (4, 62922604985), (5, 50338083988), (10, 25169041994), (17, 14805318820), (20, 12584520997), (34, 7402659410), (43, 5853265580), (68, 3701329705), (85, 2961063764), (86, 2926632790), (170, 1480531882), (172, 1463316395), (215, 1170653116), (340, 740265941), (430, 585326558), (731, 344309740), (860, 292663279), (1462, 172154870), (2924, 86077435), (3655, 68861948), (7310, 34430974), (14620, 17215487)]