145870760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{520967}}^1$

素因数の和:520985

約数の個数: 32

約数和(自身を含む): 375096960

約数和(自身を除く): 229226200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 520967, 1041934, 2083868, 2604835, 3646769, 4167736, 5209670, 7293538, 10419340, 14587076, 18233845, 20838680, 29174152, 36467690, 72935380, 145870760]

約数ペア:

[(1, 145870760), (2, 72935380), (4, 36467690), (5, 29174152), (7, 20838680), (8, 18233845), (10, 14587076), (14, 10419340), (20, 7293538), (28, 5209670), (35, 4167736), (40, 3646769), (56, 2604835), (70, 2083868), (140, 1041934), (280, 520967)]