91235000

素因数分解:

$2^3\times 5^4\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:354

約数の個数: 80

約数和(自身を含む): 217617840

約数和(自身を除く): 126382840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 125, 142, 200, 250, 257, 284, 355, 500, 514, 568, 625, 710, 1000, 1028, 1250, 1285, 1420, 1775, 2056, 2500, 2570, 2840, 3550, 5000, 5140, 6425, 7100, 8875, 10280, 12850, 14200, 17750, 18247, 25700, 32125, 35500, 36494, 44375, 51400, 64250, 71000, 72988, 88750, 91235, 128500, 145976, 160625, 177500, 182470, 257000, 321250, 355000, 364940, 456175, 642500, 729880, 912350, 1285000, 1824700, 2280875, 3649400, 4561750, 9123500, 11404375, 18247000, 22808750, 45617500, 91235000]

約数ペア:

[(1, 91235000), (2, 45617500), (4, 22808750), (5, 18247000), (8, 11404375), (10, 9123500), (20, 4561750), (25, 3649400), (40, 2280875), (50, 1824700), (71, 1285000), (100, 912350), (125, 729880), (142, 642500), (200, 456175), (250, 364940), (257, 355000), (284, 321250), (355, 257000), (500, 182470), (514, 177500), (568, 160625), (625, 145976), (710, 128500), (1000, 91235), (1028, 88750), (1250, 72988), (1285, 71000), (1420, 64250), (1775, 51400), (2056, 44375), (2500, 36494), (2570, 35500), (2840, 32125), (3550, 25700), (5000, 18247), (5140, 17750), (6425, 14200), (7100, 12850), (8875, 10280)]