208304840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{98257}}^1$

素因数の和:98321

約数の個数: 32

約数和(自身を含む): 477533880

約数和(自身を除く): 269229040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 98257, 196514, 393028, 491285, 786056, 982570, 1965140, 3930280, 5207621, 10415242, 20830484, 26038105, 41660968, 52076210, 104152420, 208304840]

約数ペア:

[(1, 208304840), (2, 104152420), (4, 52076210), (5, 41660968), (8, 26038105), (10, 20830484), (20, 10415242), (40, 5207621), (53, 3930280), (106, 1965140), (212, 982570), (265, 786056), (424, 491285), (530, 393028), (1060, 196514), (2120, 98257)]