30803480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{17909}}^1$

素因数の和:17963

約数の個数: 32

約数和(自身を含む): 70923600

約数和(自身を除く): 40120120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 17909, 35818, 71636, 89545, 143272, 179090, 358180, 716360, 770087, 1540174, 3080348, 3850435, 6160696, 7700870, 15401740, 30803480]

約数ペア:

[(1, 30803480), (2, 15401740), (4, 7700870), (5, 6160696), (8, 3850435), (10, 3080348), (20, 1540174), (40, 770087), (43, 716360), (86, 358180), (172, 179090), (215, 143272), (344, 89545), (430, 71636), (860, 35818), (1720, 17909)]