123099280

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{4409}}^1$

素因数の和:4771

約数の個数: 40

約数和(自身を含む): 287091000

約数和(自身を除く): 163991720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 1396, 1745, 2792, 3490, 4409, 5584, 6980, 8818, 13960, 17636, 22045, 27920, 35272, 44090, 70544, 88180, 176360, 352720, 1538741, 3077482, 6154964, 7693705, 12309928, 15387410, 24619856, 30774820, 61549640, 123099280]

約数ペア:

[(1, 123099280), (2, 61549640), (4, 30774820), (5, 24619856), (8, 15387410), (10, 12309928), (16, 7693705), (20, 6154964), (40, 3077482), (80, 1538741), (349, 352720), (698, 176360), (1396, 88180), (1745, 70544), (2792, 44090), (3490, 35272), (4409, 27920), (5584, 22045), (6980, 17636), (8818, 13960)]