90286000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{6449}}^1$

素因数の和:6479

約数の個数: 80

約数和(自身を含む): 249537600

約数和(自身を除く): 159251600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 700, 875, 1000, 1400, 1750, 2000, 2800, 3500, 6449, 7000, 12898, 14000, 25796, 32245, 45143, 51592, 64490, 90286, 103184, 128980, 161225, 180572, 225715, 257960, 322450, 361144, 451430, 515920, 644900, 722288, 806125, 902860, 1128575, 1289800, 1612250, 1805720, 2257150, 2579600, 3224500, 3611440, 4514300, 5642875, 6449000, 9028600, 11285750, 12898000, 18057200, 22571500, 45143000, 90286000]

約数ペア:

[(1, 90286000), (2, 45143000), (4, 22571500), (5, 18057200), (7, 12898000), (8, 11285750), (10, 9028600), (14, 6449000), (16, 5642875), (20, 4514300), (25, 3611440), (28, 3224500), (35, 2579600), (40, 2257150), (50, 1805720), (56, 1612250), (70, 1289800), (80, 1128575), (100, 902860), (112, 806125), (125, 722288), (140, 644900), (175, 515920), (200, 451430), (250, 361144), (280, 322450), (350, 257960), (400, 225715), (500, 180572), (560, 161225), (700, 128980), (875, 103184), (1000, 90286), (1400, 64490), (1750, 51592), (2000, 45143), (2800, 32245), (3500, 25796), (6449, 14000), (7000, 12898)]