91351960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{326257}}^1$

素因数の和:326275

約数の個数: 32

約数和(自身を含む): 234905760

約数和(自身を除く): 143553800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 326257, 652514, 1305028, 1631285, 2283799, 2610056, 3262570, 4567598, 6525140, 9135196, 11418995, 13050280, 18270392, 22837990, 45675980, 91351960]

約数ペア:

[(1, 91351960), (2, 45675980), (4, 22837990), (5, 18270392), (7, 13050280), (8, 11418995), (10, 9135196), (14, 6525140), (20, 4567598), (28, 3262570), (35, 2610056), (40, 2283799), (56, 1631285), (70, 1305028), (140, 652514), (280, 326257)]