2519860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 6209280

約数和(自身を除く): 3689420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 439, 574, 820, 878, 1148, 1435, 1756, 2195, 2870, 3073, 4390, 5740, 6146, 8780, 12292, 15365, 17999, 30730, 35998, 61460, 71996, 89995, 125993, 179990, 251986, 359980, 503972, 629965, 1259930, 2519860]

約数ペア:

[(1, 2519860), (2, 1259930), (4, 629965), (5, 503972), (7, 359980), (10, 251986), (14, 179990), (20, 125993), (28, 89995), (35, 71996), (41, 61460), (70, 35998), (82, 30730), (140, 17999), (164, 15365), (205, 12292), (287, 8780), (410, 6146), (439, 5740), (574, 4390), (820, 3073), (878, 2870), (1148, 2195), (1435, 1756)]