1123780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 2822400

約数和(自身を除く): 1698620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 349, 460, 644, 698, 805, 1396, 1610, 1745, 2443, 3220, 3490, 4886, 6980, 8027, 9772, 12215, 16054, 24430, 32108, 40135, 48860, 56189, 80270, 112378, 160540, 224756, 280945, 561890, 1123780]

約数ペア:

[(1, 1123780), (2, 561890), (4, 280945), (5, 224756), (7, 160540), (10, 112378), (14, 80270), (20, 56189), (23, 48860), (28, 40135), (35, 32108), (46, 24430), (70, 16054), (92, 12215), (115, 9772), (140, 8027), (161, 6980), (230, 4886), (322, 3490), (349, 3220), (460, 2443), (644, 1745), (698, 1610), (805, 1396)]