381609140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{42307}}^1$

素因数の和:42368

約数の個数: 48

約数和(自身を含む): 895575744

約数和(自身を除く): 513966604

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, 42307, 84614, 169228, 211535, 423070, 465377, 846140, 930754, 1734587, 1861508, 2326885, 3469174, 4653770, 6938348, 8672935, 9307540, 17345870, 19080457, 34691740, 38160914, 76321828, 95402285, 190804570, 381609140]

約数ペア:

[(1, 381609140), (2, 190804570), (4, 95402285), (5, 76321828), (10, 38160914), (11, 34691740), (20, 19080457), (22, 17345870), (41, 9307540), (44, 8672935), (55, 6938348), (82, 4653770), (110, 3469174), (164, 2326885), (205, 1861508), (220, 1734587), (410, 930754), (451, 846140), (820, 465377), (902, 423070), (1804, 211535), (2255, 169228), (4510, 84614), (9020, 42307)]