578746420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{10627}}^1$

素因数の和:11032

約数の個数: 48

約数和(自身を含む): 1392693120

約数和(自身を除く): 813946700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 778, 1556, 1945, 2723, 3890, 5446, 7780, 10627, 10892, 13615, 21254, 27230, 42508, 53135, 54460, 74389, 106270, 148778, 212540, 297556, 371945, 743890, 1487780, 4133903, 8267806, 16535612, 20669515, 28937321, 41339030, 57874642, 82678060, 115749284, 144686605, 289373210, 578746420]

約数ペア:

[(1, 578746420), (2, 289373210), (4, 144686605), (5, 115749284), (7, 82678060), (10, 57874642), (14, 41339030), (20, 28937321), (28, 20669515), (35, 16535612), (70, 8267806), (140, 4133903), (389, 1487780), (778, 743890), (1556, 371945), (1945, 297556), (2723, 212540), (3890, 148778), (5446, 106270), (7780, 74389), (10627, 54460), (10892, 53135), (13615, 42508), (21254, 27230)]