2146405940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{72661}}^1$

素因数の和:72888

約数の個数: 48

約数和(自身を含む): 5175859584

約数和(自身を除く): 3029453644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1055, 1477, 2110, 2954, 4220, 5908, 7385, 14770, 29540, 72661, 145322, 290644, 363305, 508627, 726610, 1017254, 1453220, 2034508, 2543135, 5086270, 10172540, 15331471, 30662942, 61325884, 76657355, 107320297, 153314710, 214640594, 306629420, 429281188, 536601485, 1073202970, 2146405940]

約数ペア:

[(1, 2146405940), (2, 1073202970), (4, 536601485), (5, 429281188), (7, 306629420), (10, 214640594), (14, 153314710), (20, 107320297), (28, 76657355), (35, 61325884), (70, 30662942), (140, 15331471), (211, 10172540), (422, 5086270), (844, 2543135), (1055, 2034508), (1477, 1453220), (2110, 1017254), (2954, 726610), (4220, 508627), (5908, 363305), (7385, 290644), (14770, 145322), (29540, 72661)]