251010730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{17891}}^1$

素因数の和:17982

約数の個数: 32

約数和(自身を含む): 479219328

約数和(自身を除く): 228208598

約数列:

[1, 2, 5, 10, 23, 46, 61, 115, 122, 230, 305, 610, 1403, 2806, 7015, 14030, 17891, 35782, 89455, 178910, 411493, 822986, 1091351, 2057465, 2182702, 4114930, 5456755, 10913510, 25101073, 50202146, 125505365, 251010730]

約数ペア:

[(1, 251010730), (2, 125505365), (5, 50202146), (10, 25101073), (23, 10913510), (46, 5456755), (61, 4114930), (115, 2182702), (122, 2057465), (230, 1091351), (305, 822986), (610, 411493), (1403, 178910), (2806, 89455), (7015, 35782), (14030, 17891)]