68721800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:471

約数の個数: 96

約数和(自身を含む): 184273920

約数和(自身を除く): 115552120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 191, 200, 257, 280, 350, 382, 514, 700, 764, 955, 1028, 1285, 1337, 1400, 1528, 1799, 1910, 2056, 2570, 2674, 3598, 3820, 4775, 5140, 5348, 6425, 6685, 7196, 7640, 8995, 9550, 10280, 10696, 12850, 13370, 14392, 17990, 19100, 25700, 26740, 33425, 35980, 38200, 44975, 49087, 51400, 53480, 66850, 71960, 89950, 98174, 133700, 179900, 196348, 245435, 267400, 343609, 359800, 392696, 490870, 687218, 981740, 1227175, 1374436, 1718045, 1963480, 2454350, 2748872, 3436090, 4908700, 6872180, 8590225, 9817400, 13744360, 17180450, 34360900, 68721800]

約数ペア:

[(1, 68721800), (2, 34360900), (4, 17180450), (5, 13744360), (7, 9817400), (8, 8590225), (10, 6872180), (14, 4908700), (20, 3436090), (25, 2748872), (28, 2454350), (35, 1963480), (40, 1718045), (50, 1374436), (56, 1227175), (70, 981740), (100, 687218), (140, 490870), (175, 392696), (191, 359800), (200, 343609), (257, 267400), (280, 245435), (350, 196348), (382, 179900), (514, 133700), (700, 98174), (764, 89950), (955, 71960), (1028, 66850), (1285, 53480), (1337, 51400), (1400, 49087), (1528, 44975), (1799, 38200), (1910, 35980), (2056, 33425), (2570, 26740), (2674, 25700), (3598, 19100), (3820, 17990), (4775, 14392), (5140, 13370), (5348, 12850), (6425, 10696), (6685, 10280), (7196, 9550), (7640, 8995)]