220457990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{22291}}^1$

素因数の和:22364

約数の個数: 32

約数和(自身を含む): 423726336

約数和(自身を除く): 203268346

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 4945, 9890, 22291, 44582, 111455, 222910, 512693, 958513, 1025386, 1917026, 2563465, 4792565, 5126930, 9585130, 22045799, 44091598, 110228995, 220457990]

約数ペア:

[(1, 220457990), (2, 110228995), (5, 44091598), (10, 22045799), (23, 9585130), (43, 5126930), (46, 4792565), (86, 2563465), (115, 1917026), (215, 1025386), (230, 958513), (430, 512693), (989, 222910), (1978, 111455), (4945, 44582), (9890, 22291)]