74206780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{195281}}^1$

素因数の和:195309

約数の個数: 24

約数和(自身を含む): 164036880

約数和(自身を除く): 89830100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 195281, 390562, 781124, 976405, 1952810, 3710339, 3905620, 7420678, 14841356, 18551695, 37103390, 74206780]

約数ペア:

[(1, 74206780), (2, 37103390), (4, 18551695), (5, 14841356), (10, 7420678), (19, 3905620), (20, 3710339), (38, 1952810), (76, 976405), (95, 781124), (190, 390562), (380, 195281)]