129159530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{15809}}^1$

素因数の和:15878

約数の個数: 32

約数和(自身を含む): 250430400

約数和(自身を除く): 121270870

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 4085, 8170, 15809, 31618, 79045, 158090, 300371, 600742, 679787, 1359574, 1501855, 3003710, 3398935, 6797870, 12915953, 25831906, 64579765, 129159530]

約数ペア:

[(1, 129159530), (2, 64579765), (5, 25831906), (10, 12915953), (19, 6797870), (38, 3398935), (43, 3003710), (86, 1501855), (95, 1359574), (190, 679787), (215, 600742), (430, 300371), (817, 158090), (1634, 79045), (4085, 31618), (8170, 15809)]