208245130

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 410572800

約数和(自身を除く): 202327670

約数列:

[1, 2, 5, 10, 19, 38, 43, 71, 86, 95, 142, 190, 215, 355, 359, 430, 710, 718, 817, 1349, 1634, 1795, 2698, 3053, 3590, 4085, 6106, 6745, 6821, 8170, 13490, 13642, 15265, 15437, 25489, 30530, 30874, 34105, 50978, 58007, 68210, 77185, 116014, 127445, 154370, 254890, 290035, 293303, 484291, 580070, 586606, 968582, 1096027, 1466515, 2192054, 2421455, 2933030, 4842910, 5480135, 10960270, 20824513, 41649026, 104122565, 208245130]

約数ペア:

[(1, 208245130), (2, 104122565), (5, 41649026), (10, 20824513), (19, 10960270), (38, 5480135), (43, 4842910), (71, 2933030), (86, 2421455), (95, 2192054), (142, 1466515), (190, 1096027), (215, 968582), (355, 586606), (359, 580070), (430, 484291), (710, 293303), (718, 290035), (817, 254890), (1349, 154370), (1634, 127445), (1795, 116014), (2698, 77185), (3053, 68210), (3590, 58007), (4085, 50978), (6106, 34105), (6745, 30874), (6821, 30530), (8170, 25489), (13490, 15437), (13642, 15265)]