91234780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{50129}}^1$

素因数の和:50158

約数の個数: 48

約数和(自身を含む): 235811520

約数和(自身を除く): 144576740

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 50129, 100258, 200516, 250645, 350903, 501290, 651677, 701806, 1002580, 1303354, 1403612, 1754515, 2606708, 3258385, 3509030, 4561739, 6516770, 7018060, 9123478, 13033540, 18246956, 22808695, 45617390, 91234780]

約数ペア:

[(1, 91234780), (2, 45617390), (4, 22808695), (5, 18246956), (7, 13033540), (10, 9123478), (13, 7018060), (14, 6516770), (20, 4561739), (26, 3509030), (28, 3258385), (35, 2606708), (52, 1754515), (65, 1403612), (70, 1303354), (91, 1002580), (130, 701806), (140, 651677), (182, 501290), (260, 350903), (364, 250645), (455, 200516), (910, 100258), (1820, 50129)]