29995000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{857}}^1$

素因数の和:890

約数の個数: 80

約数和(自身を含む): 80411760

約数和(自身を除く): 50416760

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, 625, 700, 857, 875, 1000, 1250, 1400, 1714, 1750, 2500, 3428, 3500, 4285, 4375, 5000, 5999, 6856, 7000, 8570, 8750, 11998, 17140, 17500, 21425, 23996, 29995, 34280, 35000, 42850, 47992, 59990, 85700, 107125, 119980, 149975, 171400, 214250, 239960, 299950, 428500, 535625, 599900, 749875, 857000, 1071250, 1199800, 1499750, 2142500, 2999500, 3749375, 4285000, 5999000, 7498750, 14997500, 29995000]

約数ペア:

[(1, 29995000), (2, 14997500), (4, 7498750), (5, 5999000), (7, 4285000), (8, 3749375), (10, 2999500), (14, 2142500), (20, 1499750), (25, 1199800), (28, 1071250), (35, 857000), (40, 749875), (50, 599900), (56, 535625), (70, 428500), (100, 299950), (125, 239960), (140, 214250), (175, 171400), (200, 149975), (250, 119980), (280, 107125), (350, 85700), (500, 59990), (625, 47992), (700, 42850), (857, 35000), (875, 34280), (1000, 29995), (1250, 23996), (1400, 21425), (1714, 17500), (1750, 17140), (2500, 11998), (3428, 8750), (3500, 8570), (4285, 7000), (4375, 6856), (5000, 5999)]