308702980

素因数分解:

$2^2\times 5^1\times {\mathrm{1447}}^1\times {\mathrm{10667}}^1$

素因数の和:12123

約数の個数: 24

約数和(自身を含む): 648785088

約数和(自身を除く): 340082108

約数列:

[1, 2, 4, 5, 10, 20, 1447, 2894, 5788, 7235, 10667, 14470, 21334, 28940, 42668, 53335, 106670, 213340, 15435149, 30870298, 61740596, 77175745, 154351490, 308702980]

約数ペア:

[(1, 308702980), (2, 154351490), (4, 77175745), (5, 61740596), (10, 30870298), (20, 15435149), (1447, 213340), (2894, 106670), (5788, 53335), (7235, 42668), (10667, 28940), (14470, 21334)]