2000779376

素因数分解:

$2^4\times {\mathrm{439}}^1\times {\mathrm{443}}^1\times {\mathrm{643}}^1$

素因数の和:1533

約数の個数: 40

約数和(自身を含む): 3900167040

約数和(自身を除く): 1899387664

約数列:

[1, 2, 4, 8, 16, 439, 443, 643, 878, 886, 1286, 1756, 1772, 2572, 3512, 3544, 5144, 7024, 7088, 10288, 194477, 282277, 284849, 388954, 564554, 569698, 777908, 1129108, 1139396, 1555816, 2258216, 2278792, 3111632, 4516432, 4557584, 125048711, 250097422, 500194844, 1000389688, 2000779376]

約数ペア:

[(1, 2000779376), (2, 1000389688), (4, 500194844), (8, 250097422), (16, 125048711), (439, 4557584), (443, 4516432), (643, 3111632), (878, 2278792), (886, 2258216), (1286, 1555816), (1756, 1139396), (1772, 1129108), (2572, 777908), (3512, 569698), (3544, 564554), (5144, 388954), (7024, 284849), (7088, 282277), (10288, 194477)]