3219860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 7835520

約数和(自身を除く): 4615660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 211, 218, 422, 436, 545, 763, 844, 1055, 1090, 1477, 1526, 2110, 2180, 2954, 3052, 3815, 4220, 5908, 7385, 7630, 14770, 15260, 22999, 29540, 45998, 91996, 114995, 160993, 229990, 321986, 459980, 643972, 804965, 1609930, 3219860]

約数ペア:

[(1, 3219860), (2, 1609930), (4, 804965), (5, 643972), (7, 459980), (10, 321986), (14, 229990), (20, 160993), (28, 114995), (35, 91996), (70, 45998), (109, 29540), (140, 22999), (211, 15260), (218, 14770), (422, 7630), (436, 7385), (545, 5908), (763, 4220), (844, 3815), (1055, 3052), (1090, 2954), (1477, 2180), (1526, 2110)]