2051211140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{227407}}^1$

素因数の和:227468

約数の個数: 48

約数和(自身を含む): 4813772544

約数和(自身を除く): 2762561404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 227407, 454814, 909628, 1137035, 2274070, 2501477, 4548140, 5002954, 9323687, 10005908, 12507385, 18647374, 25014770, 37294748, 46618435, 50029540, 93236870, 102560557, 186473740, 205121114, 410242228, 512802785, 1025605570, 2051211140]

約数ペア:

[(1, 2051211140), (2, 1025605570), (4, 512802785), (5, 410242228), (10, 205121114), (11, 186473740), (20, 102560557), (22, 93236870), (41, 50029540), (44, 46618435), (55, 37294748), (82, 25014770), (110, 18647374), (164, 12507385), (205, 10005908), (220, 9323687), (410, 5002954), (451, 4548140), (820, 2501477), (902, 2274070), (1804, 1137035), (2255, 909628), (4510, 454814), (9020, 227407)]