1992078500

素因数分解:

$2^2\times 5^3\times {\mathrm{139}}^1\times {\mathrm{28663}}^1$

素因数の和:28821

約数の個数: 48

約数和(自身を含む): 4382152320

約数和(自身を除く): 2390073820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 139, 250, 278, 500, 556, 695, 1390, 2780, 3475, 6950, 13900, 17375, 28663, 34750, 57326, 69500, 114652, 143315, 286630, 573260, 716575, 1433150, 2866300, 3582875, 3984157, 7165750, 7968314, 14331500, 15936628, 19920785, 39841570, 79683140, 99603925, 199207850, 398415700, 498019625, 996039250, 1992078500]

約数ペア:

[(1, 1992078500), (2, 996039250), (4, 498019625), (5, 398415700), (10, 199207850), (20, 99603925), (25, 79683140), (50, 39841570), (100, 19920785), (125, 15936628), (139, 14331500), (250, 7968314), (278, 7165750), (500, 3984157), (556, 3582875), (695, 2866300), (1390, 1433150), (2780, 716575), (3475, 573260), (6950, 286630), (13900, 143315), (17375, 114652), (28663, 69500), (34750, 57326)]