428804540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1128433}}^1$

素因数の和:1128461

約数の個数: 24

約数和(自身を含む): 947884560

約数和(自身を除く): 519080020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1128433, 2256866, 4513732, 5642165, 11284330, 21440227, 22568660, 42880454, 85760908, 107201135, 214402270, 428804540]

約数ペア:

[(1, 428804540), (2, 214402270), (4, 107201135), (5, 85760908), (10, 42880454), (19, 22568660), (20, 21440227), (38, 11284330), (76, 5642165), (95, 4513732), (190, 2256866), (380, 1128433)]