2019172925

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{9803}}^1$

素因数の和:9938

約数の個数: 48

約数和(自身を含む): 3151084032

約数和(自身を除く): 1131911107

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 107, 175, 275, 385, 535, 749, 1177, 1925, 2675, 3745, 5885, 8239, 9803, 18725, 29425, 41195, 49015, 68621, 107833, 205975, 245075, 343105, 539165, 754831, 1048921, 1715525, 2695825, 3774155, 5244605, 7342447, 11538131, 18870775, 26223025, 36712235, 57690655, 80766917, 183561175, 288453275, 403834585, 2019172925]

約数ペア:

[(1, 2019172925), (5, 403834585), (7, 288453275), (11, 183561175), (25, 80766917), (35, 57690655), (55, 36712235), (77, 26223025), (107, 18870775), (175, 11538131), (275, 7342447), (385, 5244605), (535, 3774155), (749, 2695825), (1177, 1715525), (1925, 1048921), (2675, 754831), (3745, 539165), (5885, 343105), (8239, 245075), (9803, 205975), (18725, 107833), (29425, 68621), (41195, 49015)]