256439270410

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{361182071}}^1$

素因数の和:361182149

約数の個数: 16

約数和(自身を含む): 468091965312

約数和(自身を除く): 211652694902

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 361182071, 722364142, 1805910355, 3611820710, 25643927041, 51287854082, 128219635205, 256439270410]

約数ペア:

[(1, 256439270410), (2, 128219635205), (5, 51287854082), (10, 25643927041), (71, 3611820710), (142, 1805910355), (355, 722364142), (710, 361182071)]