9811270

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{20023}}^1$

素因数の和:20044

約数の個数: 24

約数和(自身を含む): 20544624

約数和(自身を除く): 10733354

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 20023, 40046, 100115, 140161, 200230, 280322, 700805, 981127, 1401610, 1962254, 4905635, 9811270]

約数ペア:

[(1, 9811270), (2, 4905635), (5, 1962254), (7, 1401610), (10, 981127), (14, 700805), (35, 280322), (49, 200230), (70, 140161), (98, 100115), (245, 40046), (490, 20023)]