1320786530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{18868379}}^1$

素因数の和:18868393

約数の個数: 16

約数和(自身を含む): 2717046720

約数和(自身を除く): 1396260190

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 18868379, 37736758, 94341895, 132078653, 188683790, 264157306, 660393265, 1320786530]

約数ペア:

[(1, 1320786530), (2, 660393265), (5, 264157306), (7, 188683790), (10, 132078653), (14, 94341895), (35, 37736758), (70, 18868379)]