219940070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{14891}}^1$

素因数の和:15116

約数の個数: 32

約数和(自身を含む): 454622976

約数和(自身を除く): 234682906

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 211, 422, 1055, 1477, 2110, 2954, 7385, 14770, 14891, 29782, 74455, 104237, 148910, 208474, 521185, 1042370, 3142001, 6284002, 15710005, 21994007, 31420010, 43988014, 109970035, 219940070]

約数ペア:

[(1, 219940070), (2, 109970035), (5, 43988014), (7, 31420010), (10, 21994007), (14, 15710005), (35, 6284002), (70, 3142001), (211, 1042370), (422, 521185), (1055, 208474), (1477, 148910), (2110, 104237), (2954, 74455), (7385, 29782), (14770, 14891)]