30322480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19949}}^1$

素因数の和:19981

約数の個数: 40

約数和(自身を含む): 74214000

約数和(自身を除く): 43891520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 19949, 39898, 79796, 99745, 159592, 199490, 319184, 379031, 398980, 758062, 797960, 1516124, 1595920, 1895155, 3032248, 3790310, 6064496, 7580620, 15161240, 30322480]

約数ペア:

[(1, 30322480), (2, 15161240), (4, 7580620), (5, 6064496), (8, 3790310), (10, 3032248), (16, 1895155), (19, 1595920), (20, 1516124), (38, 797960), (40, 758062), (76, 398980), (80, 379031), (95, 319184), (152, 199490), (190, 159592), (304, 99745), (380, 79796), (760, 39898), (1520, 19949)]