4727420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 10644480

約数和(自身を除く): 5917060

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 239, 430, 460, 478, 860, 956, 989, 1195, 1978, 2390, 3956, 4780, 4945, 5497, 9890, 10277, 10994, 19780, 20554, 21988, 27485, 41108, 51385, 54970, 102770, 109940, 205540, 236371, 472742, 945484, 1181855, 2363710, 4727420]

約数ペア:

[(1, 4727420), (2, 2363710), (4, 1181855), (5, 945484), (10, 472742), (20, 236371), (23, 205540), (43, 109940), (46, 102770), (86, 54970), (92, 51385), (115, 41108), (172, 27485), (215, 21988), (230, 20554), (239, 19780), (430, 10994), (460, 10277), (478, 9890), (860, 5497), (956, 4945), (989, 4780), (1195, 3956), (1978, 2390)]