128226440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{168719}}^1$

素因数の和:168749

約数の個数: 32

約数和(自身を含む): 303696000

約数和(自身を除く): 175469560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 168719, 337438, 674876, 843595, 1349752, 1687190, 3205661, 3374380, 6411322, 6748760, 12822644, 16028305, 25645288, 32056610, 64113220, 128226440]

約数ペア:

[(1, 128226440), (2, 64113220), (4, 32056610), (5, 25645288), (8, 16028305), (10, 12822644), (19, 6748760), (20, 6411322), (38, 3374380), (40, 3205661), (76, 1687190), (95, 1349752), (152, 843595), (190, 674876), (380, 337438), (760, 168719)]