27964475

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 44044800

約数和(自身を除く): 16080325

約数列:

[1, 5, 7, 11, 25, 35, 55, 73, 77, 175, 199, 275, 365, 385, 511, 803, 995, 1393, 1825, 1925, 2189, 2555, 4015, 4975, 5621, 6965, 10945, 12775, 14527, 15323, 20075, 28105, 34825, 54725, 72635, 76615, 101689, 140525, 159797, 363175, 383075, 508445, 798985, 1118579, 2542225, 3994925, 5592895, 27964475]

約数ペア:

[(1, 27964475), (5, 5592895), (7, 3994925), (11, 2542225), (25, 1118579), (35, 798985), (55, 508445), (73, 383075), (77, 363175), (175, 159797), (199, 140525), (275, 101689), (365, 76615), (385, 72635), (511, 54725), (803, 34825), (995, 28105), (1393, 20075), (1825, 15323), (1925, 14527), (2189, 12775), (2555, 10945), (4015, 6965), (4975, 5621)]