10220518

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 20520000

約数和(自身を除く): 10299482

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 49, 77, 98, 133, 154, 209, 266, 418, 499, 539, 931, 998, 1078, 1463, 1862, 2926, 3493, 5489, 6986, 9481, 10241, 10978, 18962, 20482, 24451, 38423, 48902, 66367, 76846, 104291, 132734, 208582, 268961, 464569, 537922, 730037, 929138, 1460074, 5110259, 10220518]

約数ペア:

[(1, 10220518), (2, 5110259), (7, 1460074), (11, 929138), (14, 730037), (19, 537922), (22, 464569), (38, 268961), (49, 208582), (77, 132734), (98, 104291), (133, 76846), (154, 66367), (209, 48902), (266, 38423), (418, 24451), (499, 20482), (539, 18962), (931, 10978), (998, 10241), (1078, 9481), (1463, 6986), (1862, 5489), (2926, 3493)]