255647560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{913027}}^1$

素因数の和:913045

約数の個数: 32

約数和(自身を含む): 657380160

約数和(自身を除く): 401732600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 913027, 1826054, 3652108, 4565135, 6391189, 7304216, 9130270, 12782378, 18260540, 25564756, 31955945, 36521080, 51129512, 63911890, 127823780, 255647560]

約数ペア:

[(1, 255647560), (2, 127823780), (4, 63911890), (5, 51129512), (7, 36521080), (8, 31955945), (10, 25564756), (14, 18260540), (20, 12782378), (28, 9130270), (35, 7304216), (40, 6391189), (56, 4565135), (70, 3652108), (140, 1826054), (280, 913027)]