890652550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{21803}}^1$

素因数の和:21877

約数の個数: 48

約数和(自身を含む): 1784439360

約数和(自身を除く): 893786810

約数列:

[1, 2, 5, 10, 19, 25, 38, 43, 50, 86, 95, 190, 215, 430, 475, 817, 950, 1075, 1634, 2150, 4085, 8170, 20425, 21803, 40850, 43606, 109015, 218030, 414257, 545075, 828514, 937529, 1090150, 1875058, 2071285, 4142570, 4687645, 9375290, 10356425, 17813051, 20712850, 23438225, 35626102, 46876450, 89065255, 178130510, 445326275, 890652550]

約数ペア:

[(1, 890652550), (2, 445326275), (5, 178130510), (10, 89065255), (19, 46876450), (25, 35626102), (38, 23438225), (43, 20712850), (50, 17813051), (86, 10356425), (95, 9375290), (190, 4687645), (215, 4142570), (430, 2071285), (475, 1875058), (817, 1090150), (950, 937529), (1075, 828514), (1634, 545075), (2150, 414257), (4085, 218030), (8170, 109015), (20425, 43606), (21803, 40850)]