291233140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^3\times {\mathrm{193}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 707898240

約数和(自身を除く): 416665100

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 193, 209, 220, 361, 380, 386, 418, 722, 772, 836, 965, 1045, 1444, 1805, 1930, 2090, 2123, 3610, 3667, 3860, 3971, 4180, 4246, 6859, 7220, 7334, 7942, 8492, 10615, 13718, 14668, 15884, 18335, 19855, 21230, 27436, 34295, 36670, 39710, 40337, 42460, 68590, 69673, 73340, 75449, 79420, 80674, 137180, 139346, 150898, 161348, 201685, 278692, 301796, 348365, 377245, 403370, 696730, 754490, 766403, 806740, 1323787, 1393460, 1508980, 1532806, 2647574, 3065612, 3832015, 5295148, 6618935, 7664030, 13237870, 14561657, 15328060, 26475740, 29123314, 58246628, 72808285, 145616570, 291233140]

約数ペア:

[(1, 291233140), (2, 145616570), (4, 72808285), (5, 58246628), (10, 29123314), (11, 26475740), (19, 15328060), (20, 14561657), (22, 13237870), (38, 7664030), (44, 6618935), (55, 5295148), (76, 3832015), (95, 3065612), (110, 2647574), (190, 1532806), (193, 1508980), (209, 1393460), (220, 1323787), (361, 806740), (380, 766403), (386, 754490), (418, 696730), (722, 403370), (772, 377245), (836, 348365), (965, 301796), (1045, 278692), (1444, 201685), (1805, 161348), (1930, 150898), (2090, 139346), (2123, 137180), (3610, 80674), (3667, 79420), (3860, 75449), (3971, 73340), (4180, 69673), (4246, 68590), (6859, 42460), (7220, 40337), (7334, 39710), (7942, 36670), (8492, 34295), (10615, 27436), (13718, 21230), (14668, 19855), (15884, 18335)]