51343460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1427}}^1$

素因数の和:1700

約数の個数: 48

約数和(自身を含む): 123790464

約数和(自身を除く): 72447004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 1028, 1285, 1427, 1799, 2570, 2854, 3598, 5140, 5708, 7135, 7196, 8995, 9989, 14270, 17990, 19978, 28540, 35980, 39956, 49945, 99890, 199780, 366739, 733478, 1466956, 1833695, 2567173, 3667390, 5134346, 7334780, 10268692, 12835865, 25671730, 51343460]

約数ペア:

[(1, 51343460), (2, 25671730), (4, 12835865), (5, 10268692), (7, 7334780), (10, 5134346), (14, 3667390), (20, 2567173), (28, 1833695), (35, 1466956), (70, 733478), (140, 366739), (257, 199780), (514, 99890), (1028, 49945), (1285, 39956), (1427, 35980), (1799, 28540), (2570, 19978), (2854, 17990), (3598, 14270), (5140, 9989), (5708, 8995), (7135, 7196)]