339978660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{587}}^1$

素因数の和:810

約数の個数: 144

約数和(自身を含む): 1114876224

約数和(自身を除く): 774897564

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 197, 210, 245, 294, 394, 420, 490, 587, 588, 591, 735, 788, 980, 985, 1174, 1182, 1379, 1470, 1761, 1970, 2348, 2364, 2758, 2935, 2940, 2955, 3522, 3940, 4109, 4137, 5516, 5870, 5910, 6895, 7044, 8218, 8274, 8805, 9653, 11740, 11820, 12327, 13790, 16436, 16548, 17610, 19306, 20545, 20685, 24654, 27580, 28763, 28959, 35220, 38612, 41090, 41370, 48265, 49308, 57526, 57918, 61635, 82180, 82740, 86289, 96530, 115052, 115639, 115836, 123270, 143815, 144795, 172578, 193060, 231278, 246540, 287630, 289590, 345156, 346917, 431445, 462556, 575260, 578195, 579180, 693834, 809473, 862890, 1156390, 1387668, 1618946, 1725780, 1734585, 2312780, 2428419, 3237892, 3469170, 4047365, 4856838, 5666311, 6938340, 8094730, 9713676, 11332622, 12142095, 16189460, 16998933, 22665244, 24284190, 28331555, 33997866, 48568380, 56663110, 67995732, 84994665, 113326220, 169989330, 339978660]

約数ペア:

[(1, 339978660), (2, 169989330), (3, 113326220), (4, 84994665), (5, 67995732), (6, 56663110), (7, 48568380), (10, 33997866), (12, 28331555), (14, 24284190), (15, 22665244), (20, 16998933), (21, 16189460), (28, 12142095), (30, 11332622), (35, 9713676), (42, 8094730), (49, 6938340), (60, 5666311), (70, 4856838), (84, 4047365), (98, 3469170), (105, 3237892), (140, 2428419), (147, 2312780), (196, 1734585), (197, 1725780), (210, 1618946), (245, 1387668), (294, 1156390), (394, 862890), (420, 809473), (490, 693834), (587, 579180), (588, 578195), (591, 575260), (735, 462556), (788, 431445), (980, 346917), (985, 345156), (1174, 289590), (1182, 287630), (1379, 246540), (1470, 231278), (1761, 193060), (1970, 172578), (2348, 144795), (2364, 143815), (2758, 123270), (2935, 115836), (2940, 115639), (2955, 115052), (3522, 96530), (3940, 86289), (4109, 82740), (4137, 82180), (5516, 61635), (5870, 57918), (5910, 57526), (6895, 49308), (7044, 48265), (8218, 41370), (8274, 41090), (8805, 38612), (9653, 35220), (11740, 28959), (11820, 28763), (12327, 27580), (13790, 24654), (16436, 20685), (16548, 20545), (17610, 19306)]