990478370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{27799}}^1$

素因数の和:28322

約数の個数: 32

約数和(自身を含む): 2041632000

約数和(自身を除く): 1051153630

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 509, 1018, 2545, 3563, 5090, 7126, 17815, 27799, 35630, 55598, 138995, 194593, 277990, 389186, 972965, 1945930, 14149691, 28299382, 70748455, 99047837, 141496910, 198095674, 495239185, 990478370]

約数ペア:

[(1, 990478370), (2, 495239185), (5, 198095674), (7, 141496910), (10, 99047837), (14, 70748455), (35, 28299382), (70, 14149691), (509, 1945930), (1018, 972965), (2545, 389186), (3563, 277990), (5090, 194593), (7126, 138995), (17815, 55598), (27799, 35630)]