19787600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:253

約数の個数: 120

約数和(自身を含む): 56091648

約数和(自身を除く): 36304048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 37, 40, 50, 56, 70, 74, 80, 100, 112, 140, 148, 175, 185, 191, 200, 259, 280, 296, 350, 370, 382, 400, 518, 560, 592, 700, 740, 764, 925, 955, 1036, 1295, 1337, 1400, 1480, 1528, 1850, 1910, 2072, 2590, 2674, 2800, 2960, 3056, 3700, 3820, 4144, 4775, 5180, 5348, 6475, 6685, 7067, 7400, 7640, 9550, 10360, 10696, 12950, 13370, 14134, 14800, 15280, 19100, 20720, 21392, 25900, 26740, 28268, 33425, 35335, 38200, 49469, 51800, 53480, 56536, 66850, 70670, 76400, 98938, 103600, 106960, 113072, 133700, 141340, 176675, 197876, 247345, 267400, 282680, 353350, 395752, 494690, 534800, 565360, 706700, 791504, 989380, 1236725, 1413400, 1978760, 2473450, 2826800, 3957520, 4946900, 9893800, 19787600]

約数ペア:

[(1, 19787600), (2, 9893800), (4, 4946900), (5, 3957520), (7, 2826800), (8, 2473450), (10, 1978760), (14, 1413400), (16, 1236725), (20, 989380), (25, 791504), (28, 706700), (35, 565360), (37, 534800), (40, 494690), (50, 395752), (56, 353350), (70, 282680), (74, 267400), (80, 247345), (100, 197876), (112, 176675), (140, 141340), (148, 133700), (175, 113072), (185, 106960), (191, 103600), (200, 98938), (259, 76400), (280, 70670), (296, 66850), (350, 56536), (370, 53480), (382, 51800), (400, 49469), (518, 38200), (560, 35335), (592, 33425), (700, 28268), (740, 26740), (764, 25900), (925, 21392), (955, 20720), (1036, 19100), (1295, 15280), (1337, 14800), (1400, 14134), (1480, 13370), (1528, 12950), (1850, 10696), (1910, 10360), (2072, 9550), (2590, 7640), (2674, 7400), (2800, 7067), (2960, 6685), (3056, 6475), (3700, 5348), (3820, 5180), (4144, 4775)]