280019030

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{394393}}^1$

素因数の和:394471

約数の個数: 16

約数和(自身を含む): 511134624

約数和(自身を除く): 231115594

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 394393, 788786, 1971965, 3943930, 28001903, 56003806, 140009515, 280019030]

約数ペア:

[(1, 280019030), (2, 140009515), (5, 56003806), (10, 28001903), (71, 3943930), (142, 1971965), (355, 788786), (710, 394393)]