198559310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:497

約数の個数: 64

約数和(自身を含む): 391910400

約数和(自身を除く): 193351090

約数列:

[1, 2, 5, 10, 19, 38, 41, 71, 82, 95, 142, 190, 205, 355, 359, 410, 710, 718, 779, 1349, 1558, 1795, 2698, 2911, 3590, 3895, 5822, 6745, 6821, 7790, 13490, 13642, 14555, 14719, 25489, 29110, 29438, 34105, 50978, 55309, 68210, 73595, 110618, 127445, 147190, 254890, 276545, 279661, 484291, 553090, 559322, 968582, 1045049, 1398305, 2090098, 2421455, 2796610, 4842910, 5225245, 10450490, 19855931, 39711862, 99279655, 198559310]

約数ペア:

[(1, 198559310), (2, 99279655), (5, 39711862), (10, 19855931), (19, 10450490), (38, 5225245), (41, 4842910), (71, 2796610), (82, 2421455), (95, 2090098), (142, 1398305), (190, 1045049), (205, 968582), (355, 559322), (359, 553090), (410, 484291), (710, 279661), (718, 276545), (779, 254890), (1349, 147190), (1558, 127445), (1795, 110618), (2698, 73595), (2911, 68210), (3590, 55309), (3895, 50978), (5822, 34105), (6745, 29438), (6821, 29110), (7790, 25489), (13490, 14719), (13642, 14555)]