7866460

素因数分解:

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

素因数の和:395

約数の個数: 72

約数和(自身を含む): 20109600

約数和(自身を除く): 12243140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 349, 460, 490, 644, 698, 805, 980, 1127, 1396, 1610, 1745, 2254, 2443, 3220, 3490, 4508, 4886, 5635, 6980, 8027, 9772, 11270, 12215, 16054, 17101, 22540, 24430, 32108, 34202, 40135, 48860, 56189, 68404, 80270, 85505, 112378, 160540, 171010, 224756, 280945, 342020, 393323, 561890, 786646, 1123780, 1573292, 1966615, 3933230, 7866460]

約数ペア:

[(1, 7866460), (2, 3933230), (4, 1966615), (5, 1573292), (7, 1123780), (10, 786646), (14, 561890), (20, 393323), (23, 342020), (28, 280945), (35, 224756), (46, 171010), (49, 160540), (70, 112378), (92, 85505), (98, 80270), (115, 68404), (140, 56189), (161, 48860), (196, 40135), (230, 34202), (245, 32108), (322, 24430), (349, 22540), (460, 17101), (490, 16054), (644, 12215), (698, 11270), (805, 9772), (980, 8027), (1127, 6980), (1396, 5635), (1610, 4886), (1745, 4508), (2254, 3490), (2443, 3220)]