256585800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{499}}^1\times {\mathrm{857}}^1$

素因数の和:1375

約数の個数: 96

約数和(自身を含む): 797940000

約数和(自身を除く): 541354200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200, 300, 499, 600, 857, 998, 1497, 1714, 1996, 2495, 2571, 2994, 3428, 3992, 4285, 4990, 5142, 5988, 6856, 7485, 8570, 9980, 10284, 11976, 12475, 12855, 14970, 17140, 19960, 20568, 21425, 24950, 25710, 29940, 34280, 37425, 42850, 49900, 51420, 59880, 64275, 74850, 85700, 99800, 102840, 128550, 149700, 171400, 257100, 299400, 427643, 514200, 855286, 1282929, 1710572, 2138215, 2565858, 3421144, 4276430, 5131716, 6414645, 8552860, 10263432, 10691075, 12829290, 17105720, 21382150, 25658580, 32073225, 42764300, 51317160, 64146450, 85528600, 128292900, 256585800]

約数ペア:

[(1, 256585800), (2, 128292900), (3, 85528600), (4, 64146450), (5, 51317160), (6, 42764300), (8, 32073225), (10, 25658580), (12, 21382150), (15, 17105720), (20, 12829290), (24, 10691075), (25, 10263432), (30, 8552860), (40, 6414645), (50, 5131716), (60, 4276430), (75, 3421144), (100, 2565858), (120, 2138215), (150, 1710572), (200, 1282929), (300, 855286), (499, 514200), (600, 427643), (857, 299400), (998, 257100), (1497, 171400), (1714, 149700), (1996, 128550), (2495, 102840), (2571, 99800), (2994, 85700), (3428, 74850), (3992, 64275), (4285, 59880), (4990, 51420), (5142, 49900), (5988, 42850), (6856, 37425), (7485, 34280), (8570, 29940), (9980, 25710), (10284, 24950), (11976, 21425), (12475, 20568), (12855, 19960), (14970, 17140)]