68321900

素因数分解:

$2^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{4987}}^1$

素因数の和:5138

約数の個数: 36

約数和(自身を含む): 149370648

約数和(自身を除く): 81048748

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 137, 274, 548, 685, 1370, 2740, 3425, 4987, 6850, 9974, 13700, 19948, 24935, 49870, 99740, 124675, 249350, 498700, 683219, 1366438, 2732876, 3416095, 6832190, 13664380, 17080475, 34160950, 68321900]

約数ペア:

[(1, 68321900), (2, 34160950), (4, 17080475), (5, 13664380), (10, 6832190), (20, 3416095), (25, 2732876), (50, 1366438), (100, 683219), (137, 498700), (274, 249350), (548, 124675), (685, 99740), (1370, 49870), (2740, 24935), (3425, 19948), (4987, 13700), (6850, 9974)]