2021921800

素因数分解:

$2^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{257}}^1\times {\mathrm{283}}^1$

素因数の和:695

約数の個数: 96

約数和(自身を含む): 4770007200

約数和(自身を除く): 2748085400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 139, 200, 257, 278, 283, 514, 556, 566, 695, 1028, 1112, 1132, 1285, 1390, 1415, 2056, 2264, 2570, 2780, 2830, 3475, 5140, 5560, 5660, 6425, 6950, 7075, 10280, 11320, 12850, 13900, 14150, 25700, 27800, 28300, 35723, 39337, 51400, 56600, 71446, 72731, 78674, 142892, 145462, 157348, 178615, 196685, 285784, 290924, 314696, 357230, 363655, 393370, 581848, 714460, 727310, 786740, 893075, 983425, 1428920, 1454620, 1573480, 1786150, 1818275, 1966850, 2909240, 3572300, 3636550, 3933700, 7144600, 7273100, 7867400, 10109609, 14546200, 20219218, 40438436, 50548045, 80876872, 101096090, 202192180, 252740225, 404384360, 505480450, 1010960900, 2021921800]

約数ペア:

[(1, 2021921800), (2, 1010960900), (4, 505480450), (5, 404384360), (8, 252740225), (10, 202192180), (20, 101096090), (25, 80876872), (40, 50548045), (50, 40438436), (100, 20219218), (139, 14546200), (200, 10109609), (257, 7867400), (278, 7273100), (283, 7144600), (514, 3933700), (556, 3636550), (566, 3572300), (695, 2909240), (1028, 1966850), (1112, 1818275), (1132, 1786150), (1285, 1573480), (1390, 1454620), (1415, 1428920), (2056, 983425), (2264, 893075), (2570, 786740), (2780, 727310), (2830, 714460), (3475, 581848), (5140, 393370), (5560, 363655), (5660, 357230), (6425, 314696), (6950, 290924), (7075, 285784), (10280, 196685), (11320, 178615), (12850, 157348), (13900, 145462), (14150, 142892), (25700, 78674), (27800, 72731), (28300, 71446), (35723, 56600), (39337, 51400)]