222479380

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{16829}}^1$

素因数の和:17499

約数の個数: 24

約数和(自身を含む): 467941320

約数和(自身を除く): 245461940

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 6610, 13220, 16829, 33658, 67316, 84145, 168290, 336580, 11123969, 22247938, 44495876, 55619845, 111239690, 222479380]

約数ペア:

[(1, 222479380), (2, 111239690), (4, 55619845), (5, 44495876), (10, 22247938), (20, 11123969), (661, 336580), (1322, 168290), (2644, 84145), (3305, 67316), (6610, 33658), (13220, 16829)]