304820720

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{19949}}^1$

素因数の和:20153

約数の個数: 40

約数和(自身を含む): 712454400

約数和(自身を除く): 407633680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 3056, 3820, 7640, 15280, 19949, 39898, 79796, 99745, 159592, 199490, 319184, 398980, 797960, 1595920, 3810259, 7620518, 15241036, 19051295, 30482072, 38102590, 60964144, 76205180, 152410360, 304820720]

約数ペア:

[(1, 304820720), (2, 152410360), (4, 76205180), (5, 60964144), (8, 38102590), (10, 30482072), (16, 19051295), (20, 15241036), (40, 7620518), (80, 3810259), (191, 1595920), (382, 797960), (764, 398980), (955, 319184), (1528, 199490), (1910, 159592), (3056, 99745), (3820, 79796), (7640, 39898), (15280, 19949)]