256123490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{1847}}^1$

素因数の和:2151

約数の個数: 48

約数和(自身を含む): 538477632

約数和(自身を除く): 282354142

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 283, 490, 566, 1415, 1847, 1981, 2830, 3694, 3962, 9235, 9905, 12929, 13867, 18470, 19810, 25858, 27734, 64645, 69335, 90503, 129290, 138670, 181006, 452515, 522701, 905030, 1045402, 2613505, 3658907, 5227010, 7317814, 18294535, 25612349, 36589070, 51224698, 128061745, 256123490]

約数ペア:

[(1, 256123490), (2, 128061745), (5, 51224698), (7, 36589070), (10, 25612349), (14, 18294535), (35, 7317814), (49, 5227010), (70, 3658907), (98, 2613505), (245, 1045402), (283, 905030), (490, 522701), (566, 452515), (1415, 181006), (1847, 138670), (1981, 129290), (2830, 90503), (3694, 69335), (3962, 64645), (9235, 27734), (9905, 25858), (12929, 19810), (13867, 18470)]