47879720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{557}}^1$

素因数の和:882

約数の個数: 64

約数和(自身を含む): 123742080

約数和(自身を除く): 75862360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 307, 557, 614, 1114, 1228, 1535, 2149, 2228, 2456, 2785, 3070, 3899, 4298, 4456, 5570, 6140, 7798, 8596, 10745, 11140, 12280, 15596, 17192, 19495, 21490, 22280, 31192, 38990, 42980, 77980, 85960, 155960, 170999, 341998, 683996, 854995, 1196993, 1367992, 1709990, 2393986, 3419980, 4787972, 5984965, 6839960, 9575944, 11969930, 23939860, 47879720]

約数ペア:

[(1, 47879720), (2, 23939860), (4, 11969930), (5, 9575944), (7, 6839960), (8, 5984965), (10, 4787972), (14, 3419980), (20, 2393986), (28, 1709990), (35, 1367992), (40, 1196993), (56, 854995), (70, 683996), (140, 341998), (280, 170999), (307, 155960), (557, 85960), (614, 77980), (1114, 42980), (1228, 38990), (1535, 31192), (2149, 22280), (2228, 21490), (2456, 19495), (2785, 17192), (3070, 15596), (3899, 12280), (4298, 11140), (4456, 10745), (5570, 8596), (6140, 7798)]