81705700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43003}}^1$

素因数の和:43036

約数の個数: 36

約数和(自身を含む): 186637360

約数和(自身を除く): 104931660

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 43003, 86006, 172012, 215015, 430030, 817057, 860060, 1075075, 1634114, 2150150, 3268228, 4085285, 4300300, 8170570, 16341140, 20426425, 40852850, 81705700]

約数ペア:

[(1, 81705700), (2, 40852850), (4, 20426425), (5, 16341140), (10, 8170570), (19, 4300300), (20, 4085285), (25, 3268228), (38, 2150150), (50, 1634114), (76, 1075075), (95, 860060), (100, 817057), (190, 430030), (380, 215015), (475, 172012), (950, 86006), (1900, 43003)]