390024410

素因数分解:

$2^1\times 5^1\times {\mathrm{1951}}^1\times {\mathrm{19991}}^1$

素因数の和:21949

約数の個数: 16

約数和(自身を含む): 702438912

約数和(自身を除く): 312414502

約数列:

[1, 2, 5, 10, 1951, 3902, 9755, 19510, 19991, 39982, 99955, 199910, 39002441, 78004882, 195012205, 390024410]

約数ペア:

[(1, 390024410), (2, 195012205), (5, 78004882), (10, 39002441), (1951, 199910), (3902, 99955), (9755, 39982), (19510, 19991)]