387540440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{2003}}^1$

素因数の和:2712

約数の個数: 64

約数和(自身を含む): 998472960

約数和(自身を除く): 610932520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 691, 1382, 2003, 2764, 3455, 4006, 4837, 5528, 6910, 8012, 9674, 10015, 13820, 14021, 16024, 19348, 20030, 24185, 27640, 28042, 38696, 40060, 48370, 56084, 70105, 80120, 96740, 112168, 140210, 193480, 280420, 560840, 1384073, 2768146, 5536292, 6920365, 9688511, 11072584, 13840730, 19377022, 27681460, 38754044, 48442555, 55362920, 77508088, 96885110, 193770220, 387540440]

約数ペア:

[(1, 387540440), (2, 193770220), (4, 96885110), (5, 77508088), (7, 55362920), (8, 48442555), (10, 38754044), (14, 27681460), (20, 19377022), (28, 13840730), (35, 11072584), (40, 9688511), (56, 6920365), (70, 5536292), (140, 2768146), (280, 1384073), (691, 560840), (1382, 280420), (2003, 193480), (2764, 140210), (3455, 112168), (4006, 96740), (4837, 80120), (5528, 70105), (6910, 56084), (8012, 48370), (9674, 40060), (10015, 38696), (13820, 28042), (14021, 27640), (16024, 24185), (19348, 20030)]