172845828

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{1049}}^1$

素因数の和:1281

約数の個数: 72

約数和(自身を含む): 458640000

約数和(自身を除く): 285794172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 199, 207, 276, 398, 414, 597, 796, 828, 1049, 1194, 1791, 2098, 2388, 3147, 3582, 4196, 4577, 6294, 7164, 9154, 9441, 12588, 13731, 18308, 18882, 24127, 27462, 37764, 41193, 48254, 54924, 72381, 82386, 96508, 144762, 164772, 208751, 217143, 289524, 417502, 434286, 626253, 835004, 868572, 1252506, 1878759, 2505012, 3757518, 4801273, 7515036, 9602546, 14403819, 19205092, 28807638, 43211457, 57615276, 86422914, 172845828]

約数ペア:

[(1, 172845828), (2, 86422914), (3, 57615276), (4, 43211457), (6, 28807638), (9, 19205092), (12, 14403819), (18, 9602546), (23, 7515036), (36, 4801273), (46, 3757518), (69, 2505012), (92, 1878759), (138, 1252506), (199, 868572), (207, 835004), (276, 626253), (398, 434286), (414, 417502), (597, 289524), (796, 217143), (828, 208751), (1049, 164772), (1194, 144762), (1791, 96508), (2098, 82386), (2388, 72381), (3147, 54924), (3582, 48254), (4196, 41193), (4577, 37764), (6294, 27462), (7164, 24127), (9154, 18882), (9441, 18308), (12588, 13731)]