78859000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:206

約数の個数: 128

約数和(自身を含む): 206219520

約数和(自身を除く): 127360520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 67, 88, 100, 107, 110, 125, 134, 200, 214, 220, 250, 268, 275, 335, 428, 440, 500, 535, 536, 550, 670, 737, 856, 1000, 1070, 1100, 1177, 1340, 1375, 1474, 1675, 2140, 2200, 2354, 2675, 2680, 2750, 2948, 3350, 3685, 4280, 4708, 5350, 5500, 5885, 5896, 6700, 7169, 7370, 8375, 9416, 10700, 11000, 11770, 13375, 13400, 14338, 14740, 16750, 18425, 21400, 23540, 26750, 28676, 29425, 29480, 33500, 35845, 36850, 47080, 53500, 57352, 58850, 67000, 71690, 73700, 78859, 92125, 107000, 117700, 143380, 147125, 147400, 157718, 179225, 184250, 235400, 286760, 294250, 315436, 358450, 368500, 394295, 588500, 630872, 716900, 737000, 788590, 896125, 1177000, 1433800, 1577180, 1792250, 1971475, 3154360, 3584500, 3942950, 7169000, 7885900, 9857375, 15771800, 19714750, 39429500, 78859000]

約数ペア:

[(1, 78859000), (2, 39429500), (4, 19714750), (5, 15771800), (8, 9857375), (10, 7885900), (11, 7169000), (20, 3942950), (22, 3584500), (25, 3154360), (40, 1971475), (44, 1792250), (50, 1577180), (55, 1433800), (67, 1177000), (88, 896125), (100, 788590), (107, 737000), (110, 716900), (125, 630872), (134, 588500), (200, 394295), (214, 368500), (220, 358450), (250, 315436), (268, 294250), (275, 286760), (335, 235400), (428, 184250), (440, 179225), (500, 157718), (535, 147400), (536, 147125), (550, 143380), (670, 117700), (737, 107000), (856, 92125), (1000, 78859), (1070, 73700), (1100, 71690), (1177, 67000), (1340, 58850), (1375, 57352), (1474, 53500), (1675, 47080), (2140, 36850), (2200, 35845), (2354, 33500), (2675, 29480), (2680, 29425), (2750, 28676), (2948, 26750), (3350, 23540), (3685, 21400), (4280, 18425), (4708, 16750), (5350, 14740), (5500, 14338), (5885, 13400), (5896, 13375), (6700, 11770), (7169, 11000), (7370, 10700), (8375, 9416)]