81983000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:318

約数の個数: 128

約数和(自身を含む): 217339200

約数和(自身を除く): 135356200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 29, 40, 44, 50, 55, 58, 88, 100, 110, 116, 125, 145, 200, 220, 232, 250, 257, 275, 290, 319, 440, 500, 514, 550, 580, 638, 725, 1000, 1028, 1100, 1160, 1276, 1285, 1375, 1450, 1595, 2056, 2200, 2552, 2570, 2750, 2827, 2900, 3190, 3625, 5140, 5500, 5654, 5800, 6380, 6425, 7250, 7453, 7975, 10280, 11000, 11308, 12760, 12850, 14135, 14500, 14906, 15950, 22616, 25700, 28270, 29000, 29812, 31900, 32125, 37265, 39875, 51400, 56540, 59624, 63800, 64250, 70675, 74530, 79750, 81983, 113080, 128500, 141350, 149060, 159500, 163966, 186325, 257000, 282700, 298120, 319000, 327932, 353375, 372650, 409915, 565400, 655864, 706750, 745300, 819830, 931625, 1413500, 1490600, 1639660, 1863250, 2049575, 2827000, 3279320, 3726500, 4099150, 7453000, 8198300, 10247875, 16396600, 20495750, 40991500, 81983000]

約数ペア:

[(1, 81983000), (2, 40991500), (4, 20495750), (5, 16396600), (8, 10247875), (10, 8198300), (11, 7453000), (20, 4099150), (22, 3726500), (25, 3279320), (29, 2827000), (40, 2049575), (44, 1863250), (50, 1639660), (55, 1490600), (58, 1413500), (88, 931625), (100, 819830), (110, 745300), (116, 706750), (125, 655864), (145, 565400), (200, 409915), (220, 372650), (232, 353375), (250, 327932), (257, 319000), (275, 298120), (290, 282700), (319, 257000), (440, 186325), (500, 163966), (514, 159500), (550, 149060), (580, 141350), (638, 128500), (725, 113080), (1000, 81983), (1028, 79750), (1100, 74530), (1160, 70675), (1276, 64250), (1285, 63800), (1375, 59624), (1450, 56540), (1595, 51400), (2056, 39875), (2200, 37265), (2552, 32125), (2570, 31900), (2750, 29812), (2827, 29000), (2900, 28270), (3190, 25700), (3625, 22616), (5140, 15950), (5500, 14906), (5654, 14500), (5800, 14135), (6380, 12850), (6425, 12760), (7250, 11308), (7453, 11000), (7975, 10280)]