7769020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{263}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 18805248

約数和(自身を除く): 11036228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 263, 422, 526, 844, 1052, 1055, 1315, 1477, 1841, 2110, 2630, 2954, 3682, 4220, 5260, 5908, 7364, 7385, 9205, 14770, 18410, 29540, 36820, 55493, 110986, 221972, 277465, 388451, 554930, 776902, 1109860, 1553804, 1942255, 3884510, 7769020]

約数ペア:

[(1, 7769020), (2, 3884510), (4, 1942255), (5, 1553804), (7, 1109860), (10, 776902), (14, 554930), (20, 388451), (28, 277465), (35, 221972), (70, 110986), (140, 55493), (211, 36820), (263, 29540), (422, 18410), (526, 14770), (844, 9205), (1052, 7385), (1055, 7364), (1315, 5908), (1477, 5260), (1841, 4220), (2110, 3682), (2630, 2954)]