79991900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{42101}}^1$

素因数の和:42134

約数の個数: 36

約数和(自身を含む): 182722680

約数和(自身を除く): 102730780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 42101, 84202, 168404, 210505, 421010, 799919, 842020, 1052525, 1599838, 2105050, 3199676, 3999595, 4210100, 7999190, 15998380, 19997975, 39995950, 79991900]

約数ペア:

[(1, 79991900), (2, 39995950), (4, 19997975), (5, 15998380), (10, 7999190), (19, 4210100), (20, 3999595), (25, 3199676), (38, 2105050), (50, 1599838), (76, 1052525), (95, 842020), (100, 799919), (190, 421010), (380, 210505), (475, 168404), (950, 84202), (1900, 42101)]