28283020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{283}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 62979840

約数和(自身を除く): 34696820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 263, 283, 380, 526, 566, 1052, 1132, 1315, 1415, 2630, 2830, 4997, 5260, 5377, 5660, 9994, 10754, 19988, 21508, 24985, 26885, 49970, 53770, 74429, 99940, 107540, 148858, 297716, 372145, 744290, 1414151, 1488580, 2828302, 5656604, 7070755, 14141510, 28283020]

約数ペア:

[(1, 28283020), (2, 14141510), (4, 7070755), (5, 5656604), (10, 2828302), (19, 1488580), (20, 1414151), (38, 744290), (76, 372145), (95, 297716), (190, 148858), (263, 107540), (283, 99940), (380, 74429), (526, 53770), (566, 49970), (1052, 26885), (1132, 24985), (1315, 21508), (1415, 19988), (2630, 10754), (2830, 9994), (4997, 5660), (5260, 5377)]