131873000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{18839}}^1$

素因数の和:18867

約数の個数: 64

約数和(自身を含む): 352684800

約数和(自身を除く): 220811800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 3500, 7000, 18839, 37678, 75356, 94195, 131873, 150712, 188390, 263746, 376780, 470975, 527492, 659365, 753560, 941950, 1054984, 1318730, 1883900, 2354875, 2637460, 3296825, 3767800, 4709750, 5274920, 6593650, 9419500, 13187300, 16484125, 18839000, 26374600, 32968250, 65936500, 131873000]

約数ペア:

[(1, 131873000), (2, 65936500), (4, 32968250), (5, 26374600), (7, 18839000), (8, 16484125), (10, 13187300), (14, 9419500), (20, 6593650), (25, 5274920), (28, 4709750), (35, 3767800), (40, 3296825), (50, 2637460), (56, 2354875), (70, 1883900), (100, 1318730), (125, 1054984), (140, 941950), (175, 753560), (200, 659365), (250, 527492), (280, 470975), (350, 376780), (500, 263746), (700, 188390), (875, 150712), (1000, 131873), (1400, 94195), (1750, 75356), (3500, 37678), (7000, 18839)]