205657620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{1453}}^1$

素因数の和:1809

約数の個数: 96

約数和(自身を含む): 660511488

約数和(自身を除く): 454853868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 337, 420, 674, 1011, 1348, 1453, 1685, 2022, 2359, 2906, 3370, 4044, 4359, 4718, 5055, 5812, 6740, 7077, 7265, 8718, 9436, 10110, 10171, 11795, 14154, 14530, 17436, 20220, 20342, 21795, 23590, 28308, 29060, 30513, 35385, 40684, 43590, 47180, 50855, 61026, 70770, 87180, 101710, 122052, 141540, 152565, 203420, 305130, 489661, 610260, 979322, 1468983, 1958644, 2448305, 2937966, 3427627, 4896610, 5875932, 6855254, 7344915, 9793220, 10282881, 13710508, 14689830, 17138135, 20565762, 29379660, 34276270, 41131524, 51414405, 68552540, 102828810, 205657620]

約数ペア:

[(1, 205657620), (2, 102828810), (3, 68552540), (4, 51414405), (5, 41131524), (6, 34276270), (7, 29379660), (10, 20565762), (12, 17138135), (14, 14689830), (15, 13710508), (20, 10282881), (21, 9793220), (28, 7344915), (30, 6855254), (35, 5875932), (42, 4896610), (60, 3427627), (70, 2937966), (84, 2448305), (105, 1958644), (140, 1468983), (210, 979322), (337, 610260), (420, 489661), (674, 305130), (1011, 203420), (1348, 152565), (1453, 141540), (1685, 122052), (2022, 101710), (2359, 87180), (2906, 70770), (3370, 61026), (4044, 50855), (4359, 47180), (4718, 43590), (5055, 40684), (5812, 35385), (6740, 30513), (7077, 29060), (7265, 28308), (8718, 23590), (9436, 21795), (10110, 20342), (10171, 20220), (11795, 17436), (14154, 14530)]