9989412220

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{421}}^1\times {\mathrm{4283}}^1$

素因数の和:4990

約数の個数: 48

約数和(自身を含む): 21108433248

約数和(自身を除く): 11119021028

約数列:

[1, 2, 4, 5, 10, 20, 277, 421, 554, 842, 1108, 1385, 1684, 2105, 2770, 4210, 4283, 5540, 8420, 8566, 17132, 21415, 42830, 85660, 116617, 233234, 466468, 583085, 1166170, 1186391, 1803143, 2332340, 2372782, 3606286, 4745564, 5931955, 7212572, 9015715, 11863910, 18031430, 23727820, 36062860, 499470611, 998941222, 1997882444, 2497353055, 4994706110, 9989412220]

約数ペア:

[(1, 9989412220), (2, 4994706110), (4, 2497353055), (5, 1997882444), (10, 998941222), (20, 499470611), (277, 36062860), (421, 23727820), (554, 18031430), (842, 11863910), (1108, 9015715), (1385, 7212572), (1684, 5931955), (2105, 4745564), (2770, 3606286), (4210, 2372782), (4283, 2332340), (5540, 1803143), (8420, 1186391), (8566, 1166170), (17132, 583085), (21415, 466468), (42830, 233234), (85660, 116617)]