205745110

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{25183}}^1$

素因数の和:25252

約数の個数: 32

約数和(自身を含む): 398914560

約数和(自身を除く): 193169450

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 4085, 8170, 25183, 50366, 125915, 251830, 478477, 956954, 1082869, 2165738, 2392385, 4784770, 5414345, 10828690, 20574511, 41149022, 102872555, 205745110]

約数ペア:

[(1, 205745110), (2, 102872555), (5, 41149022), (10, 20574511), (19, 10828690), (38, 5414345), (43, 4784770), (86, 2392385), (95, 2165738), (190, 1082869), (215, 956954), (430, 478477), (817, 251830), (1634, 125915), (4085, 50366), (8170, 25183)]