210009430

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{53987}}^1$

素因数の和:54383

約数の個数: 16

約数和(自身を含む): 378995760

約数和(自身を除く): 168986330

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 53987, 107974, 269935, 539870, 21000943, 42001886, 105004715, 210009430]

約数ペア:

[(1, 210009430), (2, 105004715), (5, 42001886), (10, 21000943), (389, 539870), (778, 269935), (1945, 107974), (3890, 53987)]