1566351820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{30557}}^1$

素因数の和:30810

約数の個数: 48

約数和(自身を含む): 3603888288

約数和(自身を除く): 2037536468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 233, 466, 932, 1165, 2330, 2563, 4660, 5126, 10252, 12815, 25630, 30557, 51260, 61114, 122228, 152785, 305570, 336127, 611140, 672254, 1344508, 1680635, 3361270, 6722540, 7119781, 14239562, 28479124, 35598905, 71197810, 78317591, 142395620, 156635182, 313270364, 391587955, 783175910, 1566351820]

約数ペア:

[(1, 1566351820), (2, 783175910), (4, 391587955), (5, 313270364), (10, 156635182), (11, 142395620), (20, 78317591), (22, 71197810), (44, 35598905), (55, 28479124), (110, 14239562), (220, 7119781), (233, 6722540), (466, 3361270), (932, 1680635), (1165, 1344508), (2330, 672254), (2563, 611140), (4660, 336127), (5126, 305570), (10252, 152785), (12815, 122228), (25630, 61114), (30557, 51260)]