2122820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 5201280

約数和(自身を除く): 3078460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 257, 295, 413, 514, 590, 826, 1028, 1180, 1285, 1652, 1799, 2065, 2570, 3598, 4130, 5140, 7196, 8260, 8995, 15163, 17990, 30326, 35980, 60652, 75815, 106141, 151630, 212282, 303260, 424564, 530705, 1061410, 2122820]

約数ペア:

[(1, 2122820), (2, 1061410), (4, 530705), (5, 424564), (7, 303260), (10, 212282), (14, 151630), (20, 106141), (28, 75815), (35, 60652), (59, 35980), (70, 30326), (118, 17990), (140, 15163), (236, 8995), (257, 8260), (295, 7196), (413, 5140), (514, 4130), (590, 3598), (826, 2570), (1028, 2065), (1180, 1799), (1285, 1652)]