138889170

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{491}}^1$

素因数の和:960

約数の個数: 96

約数和(自身を含む): 414460800

約数和(自身を除く): 275571630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 449, 491, 630, 898, 982, 1347, 1473, 2245, 2455, 2694, 2946, 3143, 3437, 4041, 4419, 4490, 4910, 6286, 6735, 6874, 7365, 8082, 8838, 9429, 10311, 13470, 14730, 15715, 17185, 18858, 20205, 20622, 22095, 28287, 30933, 31430, 34370, 40410, 44190, 47145, 51555, 56574, 61866, 94290, 103110, 141435, 154665, 220459, 282870, 309330, 440918, 661377, 1102295, 1322754, 1543213, 1984131, 2204590, 3086426, 3306885, 3968262, 4629639, 6613770, 7716065, 9259278, 9920655, 13888917, 15432130, 19841310, 23148195, 27777834, 46296390, 69444585, 138889170]

約数ペア:

[(1, 138889170), (2, 69444585), (3, 46296390), (5, 27777834), (6, 23148195), (7, 19841310), (9, 15432130), (10, 13888917), (14, 9920655), (15, 9259278), (18, 7716065), (21, 6613770), (30, 4629639), (35, 3968262), (42, 3306885), (45, 3086426), (63, 2204590), (70, 1984131), (90, 1543213), (105, 1322754), (126, 1102295), (210, 661377), (315, 440918), (449, 309330), (491, 282870), (630, 220459), (898, 154665), (982, 141435), (1347, 103110), (1473, 94290), (2245, 61866), (2455, 56574), (2694, 51555), (2946, 47145), (3143, 44190), (3437, 40410), (4041, 34370), (4419, 31430), (4490, 30933), (4910, 28287), (6286, 22095), (6735, 20622), (6874, 20205), (7365, 18858), (8082, 17185), (8838, 15715), (9429, 14730), (10311, 13470)]