90857800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41299}}^1$

素因数の和:41326

約数の個数: 48

約数和(自身を含む): 230454000

約数和(自身を除く): 139596200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 41299, 82598, 165196, 206495, 330392, 412990, 454289, 825980, 908578, 1032475, 1651960, 1817156, 2064950, 2271445, 3634312, 4129900, 4542890, 8259800, 9085780, 11357225, 18171560, 22714450, 45428900, 90857800]

約数ペア:

[(1, 90857800), (2, 45428900), (4, 22714450), (5, 18171560), (8, 11357225), (10, 9085780), (11, 8259800), (20, 4542890), (22, 4129900), (25, 3634312), (40, 2271445), (44, 2064950), (50, 1817156), (55, 1651960), (88, 1032475), (100, 908578), (110, 825980), (200, 454289), (220, 412990), (275, 330392), (440, 206495), (550, 165196), (1100, 82598), (2200, 41299)]