1268075620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{661}}^1$

素因数の和:941

約数の個数: 96

約数和(自身を含む): 3106930176

約数和(自身を除く): 1838854556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 193, 284, 355, 386, 497, 661, 710, 772, 965, 994, 1322, 1351, 1420, 1930, 1988, 2485, 2644, 2702, 3305, 3860, 4627, 4970, 5404, 6610, 6755, 9254, 9940, 13220, 13510, 13703, 18508, 23135, 27020, 27406, 46270, 46931, 54812, 68515, 92540, 93862, 95921, 127573, 137030, 187724, 191842, 234655, 255146, 274060, 328517, 383684, 469310, 479605, 510292, 637865, 657034, 893011, 938620, 959210, 1275730, 1314068, 1642585, 1786022, 1918420, 2551460, 3285170, 3572044, 4465055, 6570340, 8930110, 9057683, 17860220, 18115366, 36230732, 45288415, 63403781, 90576830, 126807562, 181153660, 253615124, 317018905, 634037810, 1268075620]

約数ペア:

[(1, 1268075620), (2, 634037810), (4, 317018905), (5, 253615124), (7, 181153660), (10, 126807562), (14, 90576830), (20, 63403781), (28, 45288415), (35, 36230732), (70, 18115366), (71, 17860220), (140, 9057683), (142, 8930110), (193, 6570340), (284, 4465055), (355, 3572044), (386, 3285170), (497, 2551460), (661, 1918420), (710, 1786022), (772, 1642585), (965, 1314068), (994, 1275730), (1322, 959210), (1351, 938620), (1420, 893011), (1930, 657034), (1988, 637865), (2485, 510292), (2644, 479605), (2702, 469310), (3305, 383684), (3860, 328517), (4627, 274060), (4970, 255146), (5404, 234655), (6610, 191842), (6755, 187724), (9254, 137030), (9940, 127573), (13220, 95921), (13510, 93862), (13703, 92540), (18508, 68515), (23135, 54812), (27020, 46931), (27406, 46270)]