2811977980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{967}}^1\times {\mathrm{20771}}^1$

素因数の和:21754

約数の個数: 48

約数和(自身を含む): 6756051456

約数和(自身を除く): 3944073476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 967, 1934, 3868, 4835, 6769, 9670, 13538, 19340, 20771, 27076, 33845, 41542, 67690, 83084, 103855, 135380, 145397, 207710, 290794, 415420, 581588, 726985, 1453970, 2907940, 20085557, 40171114, 80342228, 100427785, 140598899, 200855570, 281197798, 401711140, 562395596, 702994495, 1405988990, 2811977980]

約数ペア:

[(1, 2811977980), (2, 1405988990), (4, 702994495), (5, 562395596), (7, 401711140), (10, 281197798), (14, 200855570), (20, 140598899), (28, 100427785), (35, 80342228), (70, 40171114), (140, 20085557), (967, 2907940), (1934, 1453970), (3868, 726985), (4835, 581588), (6769, 415420), (9670, 290794), (13538, 207710), (19340, 145397), (20771, 135380), (27076, 103855), (33845, 83084), (41542, 67690)]