243711290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{971}}^1\times {\mathrm{1321}}^1$

素因数の和:2318

約数の個数: 32

約数和(自身を含む): 462594240

約数和(自身を除く): 218882950

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 971, 1321, 1942, 2642, 4855, 6605, 9710, 13210, 18449, 25099, 36898, 50198, 92245, 125495, 184490, 250990, 1282691, 2565382, 6413455, 12826910, 24371129, 48742258, 121855645, 243711290]

約数ペア:

[(1, 243711290), (2, 121855645), (5, 48742258), (10, 24371129), (19, 12826910), (38, 6413455), (95, 2565382), (190, 1282691), (971, 250990), (1321, 184490), (1942, 125495), (2642, 92245), (4855, 50198), (6605, 36898), (9710, 25099), (13210, 18449)]