208996820

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{58379}}^1$

素因数の和:58567

約数の個数: 24

約数和(自身を含む): 441352800

約数和(自身を除く): 232355980

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 58379, 116758, 233516, 291895, 583790, 1167580, 10449841, 20899682, 41799364, 52249205, 104498410, 208996820]

約数ペア:

[(1, 208996820), (2, 104498410), (4, 52249205), (5, 41799364), (10, 20899682), (20, 10449841), (179, 1167580), (358, 583790), (716, 291895), (895, 233516), (1790, 116758), (3580, 58379)]