284156920

素因数分解:

$2^3\times 5^1\times {\mathrm{7103923}}^1$

素因数の和:7103934

約数の個数: 16

約数和(自身を含む): 639353160

約数和(自身を除く): 355196240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7103923, 14207846, 28415692, 35519615, 56831384, 71039230, 142078460, 284156920]

約数ペア:

[(1, 284156920), (2, 142078460), (4, 71039230), (5, 56831384), (8, 35519615), (10, 28415692), (20, 14207846), (40, 7103923)]