2909240

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{283}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 6594480

約数和(自身を除く): 3685240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 283, 514, 566, 1028, 1132, 1285, 1415, 2056, 2264, 2570, 2830, 5140, 5660, 10280, 11320, 72731, 145462, 290924, 363655, 581848, 727310, 1454620, 2909240]

約数ペア:

[(1, 2909240), (2, 1454620), (4, 727310), (5, 581848), (8, 363655), (10, 290924), (20, 145462), (40, 72731), (257, 11320), (283, 10280), (514, 5660), (566, 5140), (1028, 2830), (1132, 2570), (1285, 2264), (1415, 2056)]