2017809800

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{1061}}^1$

素因数の和:1371

約数の個数: 96

約数和(自身を含む): 4841509320

約数和(自身を除く): 2823699520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 148, 185, 200, 257, 296, 370, 514, 740, 925, 1028, 1061, 1285, 1480, 1850, 2056, 2122, 2570, 3700, 4244, 5140, 5305, 6425, 7400, 8488, 9509, 10280, 10610, 12850, 19018, 21220, 25700, 26525, 38036, 39257, 42440, 47545, 51400, 53050, 76072, 78514, 95090, 106100, 157028, 190180, 196285, 212200, 237725, 272677, 314056, 380360, 392570, 475450, 545354, 785140, 950900, 981425, 1090708, 1363385, 1570280, 1901800, 1962850, 2181416, 2726770, 3925700, 5453540, 6816925, 7851400, 10089049, 10907080, 13633850, 20178098, 27267700, 40356196, 50445245, 54535400, 80712392, 100890490, 201780980, 252226225, 403561960, 504452450, 1008904900, 2017809800]

約数ペア:

[(1, 2017809800), (2, 1008904900), (4, 504452450), (5, 403561960), (8, 252226225), (10, 201780980), (20, 100890490), (25, 80712392), (37, 54535400), (40, 50445245), (50, 40356196), (74, 27267700), (100, 20178098), (148, 13633850), (185, 10907080), (200, 10089049), (257, 7851400), (296, 6816925), (370, 5453540), (514, 3925700), (740, 2726770), (925, 2181416), (1028, 1962850), (1061, 1901800), (1285, 1570280), (1480, 1363385), (1850, 1090708), (2056, 981425), (2122, 950900), (2570, 785140), (3700, 545354), (4244, 475450), (5140, 392570), (5305, 380360), (6425, 314056), (7400, 272677), (8488, 237725), (9509, 212200), (10280, 196285), (10610, 190180), (12850, 157028), (19018, 106100), (21220, 95090), (25700, 78514), (26525, 76072), (38036, 53050), (39257, 51400), (42440, 47545)]