54321850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{349}}^1$

素因数の和:655

約数の個数: 48

約数和(自身を含む): 110930400

約数和(自身を除く): 56608550

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 283, 349, 550, 566, 698, 1415, 1745, 2830, 3113, 3490, 3839, 6226, 7075, 7678, 8725, 14150, 15565, 17450, 19195, 31130, 38390, 77825, 95975, 98767, 155650, 191950, 197534, 493835, 987670, 1086437, 2172874, 2469175, 4938350, 5432185, 10864370, 27160925, 54321850]

約数ペア:

[(1, 54321850), (2, 27160925), (5, 10864370), (10, 5432185), (11, 4938350), (22, 2469175), (25, 2172874), (50, 1086437), (55, 987670), (110, 493835), (275, 197534), (283, 191950), (349, 155650), (550, 98767), (566, 95975), (698, 77825), (1415, 38390), (1745, 31130), (2830, 19195), (3113, 17450), (3490, 15565), (3839, 14150), (6226, 8725), (7075, 7678)]