40834220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2129}}^1$

素因数の和:2282

約数の個数: 48

約数和(自身を含む): 98763840

約数和(自身を除く): 57929620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2129, 2740, 3836, 4258, 4795, 8516, 9590, 10645, 14903, 19180, 21290, 29806, 42580, 59612, 74515, 149030, 291673, 298060, 583346, 1166692, 1458365, 2041711, 2916730, 4083422, 5833460, 8166844, 10208555, 20417110, 40834220]

約数ペア:

[(1, 40834220), (2, 20417110), (4, 10208555), (5, 8166844), (7, 5833460), (10, 4083422), (14, 2916730), (20, 2041711), (28, 1458365), (35, 1166692), (70, 583346), (137, 298060), (140, 291673), (274, 149030), (548, 74515), (685, 59612), (959, 42580), (1370, 29806), (1918, 21290), (2129, 19180), (2740, 14903), (3836, 10645), (4258, 9590), (4795, 8516)]