8999860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 19958400

約数和(自身を除く): 10958540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 59, 116, 118, 145, 236, 263, 290, 295, 526, 580, 590, 1052, 1180, 1315, 1711, 2630, 3422, 5260, 6844, 7627, 8555, 15254, 15517, 17110, 30508, 31034, 34220, 38135, 62068, 76270, 77585, 152540, 155170, 310340, 449993, 899986, 1799972, 2249965, 4499930, 8999860]

約数ペア:

[(1, 8999860), (2, 4499930), (4, 2249965), (5, 1799972), (10, 899986), (20, 449993), (29, 310340), (58, 155170), (59, 152540), (116, 77585), (118, 76270), (145, 62068), (236, 38135), (263, 34220), (290, 31034), (295, 30508), (526, 17110), (580, 15517), (590, 15254), (1052, 8555), (1180, 7627), (1315, 6844), (1711, 5260), (2630, 3422)]