2568936020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{71399}}^1$

素因数の和:71672

約数の個数: 48

約数和(自身を含む): 6189523200

約数和(自身を除く): 3620587180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 1028, 1285, 1799, 2570, 3598, 5140, 7196, 8995, 17990, 35980, 71399, 142798, 285596, 356995, 499793, 713990, 999586, 1427980, 1999172, 2498965, 4997930, 9995860, 18349543, 36699086, 73398172, 91747715, 128446801, 183495430, 256893602, 366990860, 513787204, 642234005, 1284468010, 2568936020]

約数ペア:

[(1, 2568936020), (2, 1284468010), (4, 642234005), (5, 513787204), (7, 366990860), (10, 256893602), (14, 183495430), (20, 128446801), (28, 91747715), (35, 73398172), (70, 36699086), (140, 18349543), (257, 9995860), (514, 4997930), (1028, 2498965), (1285, 1999172), (1799, 1427980), (2570, 999586), (3598, 713990), (5140, 499793), (7196, 356995), (8995, 285596), (17990, 142798), (35980, 71399)]