147497840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:415

約数の個数: 120

約数和(自身を含む): 403045632

約数和(自身を除く): 255547792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 191, 196, 197, 245, 280, 382, 392, 394, 490, 560, 764, 784, 788, 955, 980, 985, 1337, 1379, 1528, 1576, 1910, 1960, 1970, 2674, 2758, 3056, 3152, 3820, 3920, 3940, 5348, 5516, 6685, 6895, 7640, 7880, 9359, 9653, 10696, 11032, 13370, 13790, 15280, 15760, 18718, 19306, 21392, 22064, 26740, 27580, 37436, 37627, 38612, 46795, 48265, 53480, 55160, 74872, 75254, 77224, 93590, 96530, 106960, 110320, 149744, 150508, 154448, 187180, 188135, 193060, 263389, 301016, 374360, 376270, 386120, 526778, 602032, 748720, 752540, 772240, 1053556, 1316945, 1505080, 1843723, 2107112, 2633890, 3010160, 3687446, 4214224, 5267780, 7374892, 9218615, 10535560, 14749784, 18437230, 21071120, 29499568, 36874460, 73748920, 147497840]

約数ペア:

[(1, 147497840), (2, 73748920), (4, 36874460), (5, 29499568), (7, 21071120), (8, 18437230), (10, 14749784), (14, 10535560), (16, 9218615), (20, 7374892), (28, 5267780), (35, 4214224), (40, 3687446), (49, 3010160), (56, 2633890), (70, 2107112), (80, 1843723), (98, 1505080), (112, 1316945), (140, 1053556), (191, 772240), (196, 752540), (197, 748720), (245, 602032), (280, 526778), (382, 386120), (392, 376270), (394, 374360), (490, 301016), (560, 263389), (764, 193060), (784, 188135), (788, 187180), (955, 154448), (980, 150508), (985, 149744), (1337, 110320), (1379, 106960), (1528, 96530), (1576, 93590), (1910, 77224), (1960, 75254), (1970, 74872), (2674, 55160), (2758, 53480), (3056, 48265), (3152, 46795), (3820, 38612), (3920, 37627), (3940, 37436), (5348, 27580), (5516, 26740), (6685, 22064), (6895, 21392), (7640, 19306), (7880, 18718), (9359, 15760), (9653, 15280), (10696, 13790), (11032, 13370)]