29555000

素因数分解:

$2^3\times 5^4\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 72539280

約数和(自身を除く): 42984280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 125, 184, 200, 230, 250, 257, 460, 500, 514, 575, 625, 920, 1000, 1028, 1150, 1250, 1285, 2056, 2300, 2500, 2570, 2875, 4600, 5000, 5140, 5750, 5911, 6425, 10280, 11500, 11822, 12850, 14375, 23000, 23644, 25700, 28750, 29555, 32125, 47288, 51400, 57500, 59110, 64250, 115000, 118220, 128500, 147775, 160625, 236440, 257000, 295550, 321250, 591100, 642500, 738875, 1182200, 1285000, 1477750, 2955500, 3694375, 5911000, 7388750, 14777500, 29555000]

約数ペア:

[(1, 29555000), (2, 14777500), (4, 7388750), (5, 5911000), (8, 3694375), (10, 2955500), (20, 1477750), (23, 1285000), (25, 1182200), (40, 738875), (46, 642500), (50, 591100), (92, 321250), (100, 295550), (115, 257000), (125, 236440), (184, 160625), (200, 147775), (230, 128500), (250, 118220), (257, 115000), (460, 64250), (500, 59110), (514, 57500), (575, 51400), (625, 47288), (920, 32125), (1000, 29555), (1028, 28750), (1150, 25700), (1250, 23644), (1285, 23000), (2056, 14375), (2300, 12850), (2500, 11822), (2570, 11500), (2875, 10280), (4600, 6425), (5000, 5911), (5140, 5750)]