2783062660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{977}}^1\times {\mathrm{20347}}^1$

素因数の和:21340

約数の個数: 48

約数和(自身を含む): 6686515584

約数和(自身を除く): 3903452924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 977, 1954, 3908, 4885, 6839, 9770, 13678, 19540, 20347, 27356, 34195, 40694, 68390, 81388, 101735, 136780, 142429, 203470, 284858, 406940, 569716, 712145, 1424290, 2848580, 19879019, 39758038, 79516076, 99395095, 139153133, 198790190, 278306266, 397580380, 556612532, 695765665, 1391531330, 2783062660]

約数ペア:

[(1, 2783062660), (2, 1391531330), (4, 695765665), (5, 556612532), (7, 397580380), (10, 278306266), (14, 198790190), (20, 139153133), (28, 99395095), (35, 79516076), (70, 39758038), (140, 19879019), (977, 2848580), (1954, 1424290), (3908, 712145), (4885, 569716), (6839, 406940), (9770, 284858), (13678, 203470), (19540, 142429), (20347, 136780), (27356, 101735), (34195, 81388), (40694, 68390)]