1089968500

素因数分解:

$2^2\times 5^3\times {\mathrm{139}}^1\times {\mathrm{15683}}^1$

素因数の和:15841

約数の個数: 48

約数和(自身を含む): 2397769920

約数和(自身を除く): 1307801420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 139, 250, 278, 500, 556, 695, 1390, 2780, 3475, 6950, 13900, 15683, 17375, 31366, 34750, 62732, 69500, 78415, 156830, 313660, 392075, 784150, 1568300, 1960375, 2179937, 3920750, 4359874, 7841500, 8719748, 10899685, 21799370, 43598740, 54498425, 108996850, 217993700, 272492125, 544984250, 1089968500]

約数ペア:

[(1, 1089968500), (2, 544984250), (4, 272492125), (5, 217993700), (10, 108996850), (20, 54498425), (25, 43598740), (50, 21799370), (100, 10899685), (125, 8719748), (139, 7841500), (250, 4359874), (278, 3920750), (500, 2179937), (556, 1960375), (695, 1568300), (1390, 784150), (2780, 392075), (3475, 313660), (6950, 156830), (13900, 78415), (15683, 69500), (17375, 62732), (31366, 34750)]