1029122390

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{256639}}^1$

素因数の和:257047

約数の個数: 16

約数和(自身を含む): 1857047040

約数和(自身を除く): 827924650

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 256639, 513278, 1283195, 2566390, 102912239, 205824478, 514561195, 1029122390]

約数ペア:

[(1, 1029122390), (2, 514561195), (5, 205824478), (10, 102912239), (401, 2566390), (802, 1283195), (2005, 513278), (4010, 256639)]