2009491490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{364699}}^1$

素因数の和:364754

約数の個数: 32

約数和(自身を含む): 3938760000

約数和(自身を除く): 1929268510

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 2755, 5510, 364699, 729398, 1823495, 3646990, 6929281, 10576271, 13858562, 21152542, 34646405, 52881355, 69292810, 105762710, 200949149, 401898298, 1004745745, 2009491490]

約数ペア:

[(1, 2009491490), (2, 1004745745), (5, 401898298), (10, 200949149), (19, 105762710), (29, 69292810), (38, 52881355), (58, 34646405), (95, 21152542), (145, 13858562), (190, 10576271), (290, 6929281), (551, 3646990), (1102, 1823495), (2755, 729398), (5510, 364699)]