66681020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1811}}^1$

素因数の和:2090

約数の個数: 48

約数和(自身を含む): 160731648

約数和(自身を除く): 94050628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 526, 1052, 1315, 1811, 1841, 2630, 3622, 3682, 5260, 7244, 7364, 9055, 9205, 12677, 18110, 18410, 25354, 36220, 36820, 50708, 63385, 126770, 253540, 476293, 952586, 1905172, 2381465, 3334051, 4762930, 6668102, 9525860, 13336204, 16670255, 33340510, 66681020]

約数ペア:

[(1, 66681020), (2, 33340510), (4, 16670255), (5, 13336204), (7, 9525860), (10, 6668102), (14, 4762930), (20, 3334051), (28, 2381465), (35, 1905172), (70, 952586), (140, 476293), (263, 253540), (526, 126770), (1052, 63385), (1315, 50708), (1811, 36820), (1841, 36220), (2630, 25354), (3622, 18410), (3682, 18110), (5260, 12677), (7244, 9205), (7364, 9055)]