27856220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 71801856

約数和(自身を除く): 43945636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 41, 46, 70, 82, 92, 115, 140, 161, 164, 205, 211, 230, 287, 322, 410, 422, 460, 574, 644, 805, 820, 844, 943, 1055, 1148, 1435, 1477, 1610, 1886, 2110, 2870, 2954, 3220, 3772, 4220, 4715, 4853, 5740, 5908, 6601, 7385, 8651, 9430, 9706, 13202, 14770, 17302, 18860, 19412, 24265, 26404, 29540, 33005, 33971, 34604, 43255, 48530, 60557, 66010, 67942, 86510, 97060, 121114, 132020, 135884, 169855, 173020, 198973, 242228, 302785, 339710, 397946, 605570, 679420, 795892, 994865, 1211140, 1392811, 1989730, 2785622, 3979460, 5571244, 6964055, 13928110, 27856220]

約数ペア:

[(1, 27856220), (2, 13928110), (4, 6964055), (5, 5571244), (7, 3979460), (10, 2785622), (14, 1989730), (20, 1392811), (23, 1211140), (28, 994865), (35, 795892), (41, 679420), (46, 605570), (70, 397946), (82, 339710), (92, 302785), (115, 242228), (140, 198973), (161, 173020), (164, 169855), (205, 135884), (211, 132020), (230, 121114), (287, 97060), (322, 86510), (410, 67942), (422, 66010), (460, 60557), (574, 48530), (644, 43255), (805, 34604), (820, 33971), (844, 33005), (943, 29540), (1055, 26404), (1148, 24265), (1435, 19412), (1477, 18860), (1610, 17302), (1886, 14770), (2110, 13202), (2870, 9706), (2954, 9430), (3220, 8651), (3772, 7385), (4220, 6601), (4715, 5908), (4853, 5740)]